[Skip to main content](#vessel-content) # Problems after Joomla 4.4 upgrade ## - **[manubothe](/forum/user/48728-manubothe "View manubothe's Profile")** - [![manubothe's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/48728-manubothe "View manubothe's Profile") Topic Author - [ Offline](/forum/user/48728-manubothe) Less More - Posts: 9 - Thank you received: 1 - - 3 years 5 days ago [\#355958](#355958) by [manubothe](/forum/user/48728-manubothe "View manubothe's Profile") *[Problems after Joomla 4.4 upgrade](/forum/25-install-update/907149-problems-after-joomla-4-4-upgrade#355958 "-- url of the page with the problem -- : www.wunderwerkstatt.eu/downloads.html -- HikaShop version -- : 5.0.0 -- Joomla version -- : 4.4 -- PHP version -- : 8.1 -- Browser(s) name and version -- : Safari 15.6.1 und Firefox 118.02 -- Error-message(debug-mod must be tuned on) -- : 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Die Seite kann nicht angezeigt werden, weil: ein veraltetes Lesezeichen aufgerufen wurde. über eine Suchmaschine ein veralteter Index dieser Website aufgerufen wurde. eine falsche Adresse aufgerufen wurde. keine Zugriffsrechte für diese Seite vorhanden sind. Die angefragte Quelle wurde nicht gefunden. Während der Anfrage ist ein Fehler aufgetreten. Bitte eine der folgenden Seiten ausprobieren: Startseite Bei Problemen ist der Administrator dieser Website zuständig. Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Call stack # Function Location 1 () JROOT/libraries/src/Mail/MailerFactory.php:106 2 Joomla\CMS\Mail\MailerFactory->createMailer() JROOT/libraries/src/Factory.php:708 3 Joomla\CMS\Factory::createMailer() JROOT/libraries/src/Factory.php:490 4 Joomla\CMS\Factory::getMailer() JROOT/components/com_hikashop/controllers/product.php:257 5 productController->add_waitlist() JROOT/libraries/src/MVC/Controller/BaseController.php:693 6 Joomla\CMS\MVC\Controller\BaseController->execute() JROOT/administrator/components/com_hikashop/helpers/helper.php:2535 7 hikashopController->execute() JROOT/components/com_hikashop/hikashop.php:88 8 require_once() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:71 9 Joomla\CMS\Dispatcher\LegacyComponentDispatcher::Joomla\CMS\Dispatcher\{closure}() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:73 10 Joomla\CMS\Dispatcher\LegacyComponentDispatcher->dispatch() JROOT/libraries/src/Component/ComponentHelper.php:361 11 Joomla\CMS\Component\ComponentHelper::renderComponent() JROOT/libraries/src/Application/SiteApplication.php:208 12 Joomla\CMS\Application\SiteApplication->dispatch() JROOT/libraries/src/Application/SiteApplication.php:249 13 Joomla\CMS\Application\SiteApplication->doExecute() JROOT/libraries/src/Application/CMSApplication.php:293 14 Joomla\CMS\Application\CMSApplication->execute() JROOT/includes/app.php:61 15 require_once() JROOT/index.php:32 Hi everyone. I'm really happy with using hikashop business (5.0 at the moment) for some years now. but since my Joomla 4.4 update today at first glance everything runs smoothly. When someone tries to buy a product everything works fine until checkout last step when you press buy, there is an error message: 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned. But I can see the order in backend. But I get no mail, that an order was created. And I can’t change the Order-Status in backend. I get the same errormessage When someone tries to get subscribe to a waitlist the same error occurs, when you click on send. thanks in Advance")* was created by *[manubothe](/forum/user/48728-manubothe "View manubothe's Profile")* -- url of the page with the problem -- : [ www.wunderwerkstatt.eu/downloads.html](https://www.wunderwerkstatt.eu/downloads.html) -- HikaShop version -- : 5.0.0 -- Joomla version -- : 4.4 -- PHP version -- : 8.1 -- Browser(s) name and version -- : Safari 15.6.1 und Firefox 118.02 -- Error-message(debug-mod must be tuned on) -- : 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Die Seite kann nicht angezeigt werden, weil: ein veraltetes Lesezeichen aufgerufen wurde. über eine Suchmaschine ein veralteter Index dieser Website aufgerufen wurde. eine falsche Adresse aufgerufen wurde. keine Zugriffsrechte für diese Seite vorhanden sind. Die angefragte Quelle wurde nicht gefunden. Während der Anfrage ist ein Fehler aufgetreten. Bitte eine der folgenden Seiten ausprobieren: Startseite Bei Problemen ist der Administrator dieser Website zuständig. Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Call stack \# Function Location 1 () JROOT/libraries/src/Mail/MailerFactory.php:106 2 Joomla\CMS\Mail\MailerFactory->createMailer() JROOT/libraries/src/Factory.php:708 3 Joomla\CMS\Factory::createMailer() JROOT/libraries/src/Factory.php:490 4 Joomla\CMS\Factory::getMailer() JROOT/components/com_hikashop/controllers/product.php:257 5 productController->add_waitlist() JROOT/libraries/src/MVC/Controller/BaseController.php:693 6 Joomla\CMS\MVC\Controller\BaseController->execute() JROOT/administrator/components/com_hikashop/helpers/helper.php:2535 7 hikashopController->execute() JROOT/components/com_hikashop/hikashop.php:88 8 require_once() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:71 9 Joomla\CMS\Dispatcher\LegacyComponentDispatcher::Joomla\CMS\Dispatcher\{closure}() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:73 10 Joomla\CMS\Dispatcher\LegacyComponentDispatcher->dispatch() JROOT/libraries/src/Component/ComponentHelper.php:361 11 Joomla\CMS\Component\ComponentHelper::renderComponent() JROOT/libraries/src/Application/SiteApplication.php:208 12 Joomla\CMS\Application\SiteApplication->dispatch() JROOT/libraries/src/Application/SiteApplication.php:249 13 Joomla\CMS\Application\SiteApplication->doExecute() JROOT/libraries/src/Application/CMSApplication.php:293 14 Joomla\CMS\Application\CMSApplication->execute() JROOT/includes/app.php:61 15 require_once() JROOT/index.php:32 Hi everyone. I'm really happy with using hikashop business (5.0 at the moment) for some years now. but since my Joomla 4.4 update today at first glance everything runs smoothly. When someone tries to buy a product everything works fine until checkout last step when you press buy, there is an error message: 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned. But I can see the order in backend. But I get no mail, that an order was created. And I can’t change the Order-Status in backend. I get the same errormessage When someone tries to get subscribe to a waitlist the same error occurs, when you click on send. thanks in Advance The following user(s) said Thank You: [jazzmang](/forum/user/5807-jazzmang "View jazzmang's Profile") Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI1LWluc3RhbGwtdXBkYXRlLzkwNzE0OS1wcm9ibGVtcy1hZnRlci1qb29tbGEtNC00LXVwZ3JhZGU/dG1wbD1tYXJrZG93bg==) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[nicolas](/forum/user/63-nicolas "View nicolas's Profile")** - [![nicolas's Avatar](https://www.hikashop.com/media/kunena/avatars/resized/size144/users/avatar63.png)](/forum/user/63-nicolas "View nicolas's Profile") - [ Offline](/forum/user/63-nicolas) Less More - Posts: 86286 - Thank you received: 14263 - - 3 years 5 days ago [\#355961](#355961) by [nicolas](/forum/user/63-nicolas "View nicolas's Profile") Replied by *[nicolas](/forum/user/63-nicolas "View nicolas's Profile")* on topic *[Problems after Joomla 4.4 upgrade](/forum/25-install-update/907149-problems-after-joomla-4-4-upgrade#355961 "-- url of the page with the problem -- : www.wunderwerkstatt.eu/downloads.html -- HikaShop version -- : 5.0.0 -- Joomla version -- : 4.4 -- PHP version -- : 8.1 -- Browser(s) name and version -- : Safari 15.6.1 und Firefox 118.02 -- Error-message(debug-mod must be tuned on) -- : 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Die Seite kann nicht angezeigt werden, weil: ein veraltetes Lesezeichen aufgerufen wurde. über eine Suchmaschine ein veralteter Index dieser Website aufgerufen wurde. eine falsche Adresse aufgerufen wurde. keine Zugriffsrechte für diese Seite vorhanden sind. Die angefragte Quelle wurde nicht gefunden. Während der Anfrage ist ein Fehler aufgetreten. Bitte eine der folgenden Seiten ausprobieren: Startseite Bei Problemen ist der Administrator dieser Website zuständig. Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Call stack # Function Location 1 () JROOT/libraries/src/Mail/MailerFactory.php:106 2 Joomla\CMS\Mail\MailerFactory->createMailer() JROOT/libraries/src/Factory.php:708 3 Joomla\CMS\Factory::createMailer() JROOT/libraries/src/Factory.php:490 4 Joomla\CMS\Factory::getMailer() JROOT/components/com_hikashop/controllers/product.php:257 5 productController->add_waitlist() JROOT/libraries/src/MVC/Controller/BaseController.php:693 6 Joomla\CMS\MVC\Controller\BaseController->execute() JROOT/administrator/components/com_hikashop/helpers/helper.php:2535 7 hikashopController->execute() JROOT/components/com_hikashop/hikashop.php:88 8 require_once() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:71 9 Joomla\CMS\Dispatcher\LegacyComponentDispatcher::Joomla\CMS\Dispatcher\{closure}() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:73 10 Joomla\CMS\Dispatcher\LegacyComponentDispatcher->dispatch() JROOT/libraries/src/Component/ComponentHelper.php:361 11 Joomla\CMS\Component\ComponentHelper::renderComponent() JROOT/libraries/src/Application/SiteApplication.php:208 12 Joomla\CMS\Application\SiteApplication->dispatch() JROOT/libraries/src/Application/SiteApplication.php:249 13 Joomla\CMS\Application\SiteApplication->doExecute() JROOT/libraries/src/Application/CMSApplication.php:293 14 Joomla\CMS\Application\CMSApplication->execute() JROOT/includes/app.php:61 15 require_once() JROOT/index.php:32 Hi everyone. I'm really happy with using hikashop business (5.0 at the moment) for some years now. but since my Joomla 4.4 update today at first glance everything runs smoothly. When someone tries to buy a product everything works fine until checkout last step when you press buy, there is an error message: 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned. But I can see the order in backend. But I get no mail, that an order was created. And I can’t change the Order-Status in backend. I get the same errormessage When someone tries to get subscribe to a waitlist the same error occurs, when you click on send. thanks in Advance")* Hi, Thanks for your report of the issue. I'm not sure what the problem is. Looking at the callstack you provided, it seems to me that the problem is in the Joomla libraries. The issue has also been reported with AdminTools and other extensions. I've posted an issue on the Joomla CMS github : [ github.com/joomla/joomla-cms/issues/42164](https://github.com/joomla/joomla-cms/issues/42164) In the short term, I would recommend reverting back to Joomla 4.3.x for now. Also, in the future, when updating a live website for a major version of Joomla (or any extension), you should wait for a few weeks after the release so that the main issues are ironed out, and ideally to a test on a copy of the website The following user(s) said Thank You: [jazzmang](/forum/user/5807-jazzmang "View jazzmang's Profile") Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI1LWluc3RhbGwtdXBkYXRlLzkwNzE0OS1wcm9ibGVtcy1hZnRlci1qb29tbGEtNC00LXVwZ3JhZGU/dG1wbD1tYXJrZG93bg==) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[manubothe](/forum/user/48728-manubothe "View manubothe's Profile")** - [![manubothe's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/48728-manubothe "View manubothe's Profile") Topic Author - [ Offline](/forum/user/48728-manubothe) Less More - Posts: 9 - Thank you received: 1 - - 3 years 5 days ago [\#355962](#355962) by [manubothe](/forum/user/48728-manubothe "View manubothe's Profile") Replied by *[manubothe](/forum/user/48728-manubothe "View manubothe's Profile")* on topic *[Problems after Joomla 4.4 upgrade](/forum/25-install-update/907149-problems-after-joomla-4-4-upgrade#355962 "-- url of the page with the problem -- : www.wunderwerkstatt.eu/downloads.html -- HikaShop version -- : 5.0.0 -- Joomla version -- : 4.4 -- PHP version -- : 8.1 -- Browser(s) name and version -- : Safari 15.6.1 und Firefox 118.02 -- Error-message(debug-mod must be tuned on) -- : 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Die Seite kann nicht angezeigt werden, weil: ein veraltetes Lesezeichen aufgerufen wurde. über eine Suchmaschine ein veralteter Index dieser Website aufgerufen wurde. eine falsche Adresse aufgerufen wurde. keine Zugriffsrechte für diese Seite vorhanden sind. Die angefragte Quelle wurde nicht gefunden. Während der Anfrage ist ein Fehler aufgetreten. Bitte eine der folgenden Seiten ausprobieren: Startseite Bei Problemen ist der Administrator dieser Website zuständig. Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Call stack # Function Location 1 () JROOT/libraries/src/Mail/MailerFactory.php:106 2 Joomla\CMS\Mail\MailerFactory->createMailer() JROOT/libraries/src/Factory.php:708 3 Joomla\CMS\Factory::createMailer() JROOT/libraries/src/Factory.php:490 4 Joomla\CMS\Factory::getMailer() JROOT/components/com_hikashop/controllers/product.php:257 5 productController->add_waitlist() JROOT/libraries/src/MVC/Controller/BaseController.php:693 6 Joomla\CMS\MVC\Controller\BaseController->execute() JROOT/administrator/components/com_hikashop/helpers/helper.php:2535 7 hikashopController->execute() JROOT/components/com_hikashop/hikashop.php:88 8 require_once() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:71 9 Joomla\CMS\Dispatcher\LegacyComponentDispatcher::Joomla\CMS\Dispatcher\{closure}() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:73 10 Joomla\CMS\Dispatcher\LegacyComponentDispatcher->dispatch() JROOT/libraries/src/Component/ComponentHelper.php:361 11 Joomla\CMS\Component\ComponentHelper::renderComponent() JROOT/libraries/src/Application/SiteApplication.php:208 12 Joomla\CMS\Application\SiteApplication->dispatch() JROOT/libraries/src/Application/SiteApplication.php:249 13 Joomla\CMS\Application\SiteApplication->doExecute() JROOT/libraries/src/Application/CMSApplication.php:293 14 Joomla\CMS\Application\CMSApplication->execute() JROOT/includes/app.php:61 15 require_once() JROOT/index.php:32 Hi everyone. I'm really happy with using hikashop business (5.0 at the moment) for some years now. but since my Joomla 4.4 update today at first glance everything runs smoothly. When someone tries to buy a product everything works fine until checkout last step when you press buy, there is an error message: 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned. But I can see the order in backend. But I get no mail, that an order was created. And I can’t change the Order-Status in backend. I get the same errormessage When someone tries to get subscribe to a waitlist the same error occurs, when you click on send. thanks in Advance")* Thanks Nicolas i tested on my test server, but I didn't test so deep. almost everything is working. Acymailling sends mails but hikashop not. so are all functions which require an automated mail "broken". Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI1LWluc3RhbGwtdXBkYXRlLzkwNzE0OS1wcm9ibGVtcy1hZnRlci1qb29tbGEtNC00LXVwZ3JhZGU/dG1wbD1tYXJrZG93bg==) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[nicolas](/forum/user/63-nicolas "View nicolas's Profile")** - [![nicolas's Avatar](https://www.hikashop.com/media/kunena/avatars/resized/size144/users/avatar63.png)](/forum/user/63-nicolas "View nicolas's Profile") - [ Offline](/forum/user/63-nicolas) Less More - Posts: 86286 - Thank you received: 14263 - - 3 years 5 days ago [\#355975](#355975) by [nicolas](/forum/user/63-nicolas "View nicolas's Profile") Replied by *[nicolas](/forum/user/63-nicolas "View nicolas's Profile")* on topic *[Problems after Joomla 4.4 upgrade](/forum/25-install-update/907149-problems-after-joomla-4-4-upgrade#355975 "-- url of the page with the problem -- : www.wunderwerkstatt.eu/downloads.html -- HikaShop version -- : 5.0.0 -- Joomla version -- : 4.4 -- PHP version -- : 8.1 -- Browser(s) name and version -- : Safari 15.6.1 und Firefox 118.02 -- Error-message(debug-mod must be tuned on) -- : 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Die Seite kann nicht angezeigt werden, weil: ein veraltetes Lesezeichen aufgerufen wurde. über eine Suchmaschine ein veralteter Index dieser Website aufgerufen wurde. eine falsche Adresse aufgerufen wurde. keine Zugriffsrechte für diese Seite vorhanden sind. Die angefragte Quelle wurde nicht gefunden. Während der Anfrage ist ein Fehler aufgetreten. Bitte eine der folgenden Seiten ausprobieren: Startseite Bei Problemen ist der Administrator dieser Website zuständig. Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Call stack # Function Location 1 () JROOT/libraries/src/Mail/MailerFactory.php:106 2 Joomla\CMS\Mail\MailerFactory->createMailer() JROOT/libraries/src/Factory.php:708 3 Joomla\CMS\Factory::createMailer() JROOT/libraries/src/Factory.php:490 4 Joomla\CMS\Factory::getMailer() JROOT/components/com_hikashop/controllers/product.php:257 5 productController->add_waitlist() JROOT/libraries/src/MVC/Controller/BaseController.php:693 6 Joomla\CMS\MVC\Controller\BaseController->execute() JROOT/administrator/components/com_hikashop/helpers/helper.php:2535 7 hikashopController->execute() JROOT/components/com_hikashop/hikashop.php:88 8 require_once() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:71 9 Joomla\CMS\Dispatcher\LegacyComponentDispatcher::Joomla\CMS\Dispatcher\{closure}() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:73 10 Joomla\CMS\Dispatcher\LegacyComponentDispatcher->dispatch() JROOT/libraries/src/Component/ComponentHelper.php:361 11 Joomla\CMS\Component\ComponentHelper::renderComponent() JROOT/libraries/src/Application/SiteApplication.php:208 12 Joomla\CMS\Application\SiteApplication->dispatch() JROOT/libraries/src/Application/SiteApplication.php:249 13 Joomla\CMS\Application\SiteApplication->doExecute() JROOT/libraries/src/Application/CMSApplication.php:293 14 Joomla\CMS\Application\CMSApplication->execute() JROOT/includes/app.php:61 15 require_once() JROOT/index.php:32 Hi everyone. I'm really happy with using hikashop business (5.0 at the moment) for some years now. but since my Joomla 4.4 update today at first glance everything runs smoothly. When someone tries to buy a product everything works fine until checkout last step when you press buy, there is an error message: 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned. But I can see the order in backend. But I get no mail, that an order was created. And I can’t change the Order-Status in backend. I get the same errormessage When someone tries to get subscribe to a waitlist the same error occurs, when you click on send. thanks in Advance")* Hi, Ok. Someone reported the same issue with the "send test mail" button of the Joomla configuration on the github issue. Are you able to reproduce the issue there ? Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI1LWluc3RhbGwtdXBkYXRlLzkwNzE0OS1wcm9ibGVtcy1hZnRlci1qb29tbGEtNC00LXVwZ3JhZGU/dG1wbD1tYXJrZG93bg==) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[manubothe](/forum/user/48728-manubothe "View manubothe's Profile")** - [![manubothe's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/48728-manubothe "View manubothe's Profile") Topic Author - [ Offline](/forum/user/48728-manubothe) Less More - Posts: 9 - Thank you received: 1 - - 3 years 4 days ago [\#355979](#355979) by [manubothe](/forum/user/48728-manubothe "View manubothe's Profile") Replied by *[manubothe](/forum/user/48728-manubothe "View manubothe's Profile")* on topic *[Problems after Joomla 4.4 upgrade](/forum/25-install-update/907149-problems-after-joomla-4-4-upgrade#355979 "-- url of the page with the problem -- : www.wunderwerkstatt.eu/downloads.html -- HikaShop version -- : 5.0.0 -- Joomla version -- : 4.4 -- PHP version -- : 8.1 -- Browser(s) name and version -- : Safari 15.6.1 und Firefox 118.02 -- Error-message(debug-mod must be tuned on) -- : 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Die Seite kann nicht angezeigt werden, weil: ein veraltetes Lesezeichen aufgerufen wurde. über eine Suchmaschine ein veralteter Index dieser Website aufgerufen wurde. eine falsche Adresse aufgerufen wurde. keine Zugriffsrechte für diese Seite vorhanden sind. Die angefragte Quelle wurde nicht gefunden. Während der Anfrage ist ein Fehler aufgetreten. Bitte eine der folgenden Seiten ausprobieren: Startseite Bei Problemen ist der Administrator dieser Website zuständig. Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Call stack # Function Location 1 () JROOT/libraries/src/Mail/MailerFactory.php:106 2 Joomla\CMS\Mail\MailerFactory->createMailer() JROOT/libraries/src/Factory.php:708 3 Joomla\CMS\Factory::createMailer() JROOT/libraries/src/Factory.php:490 4 Joomla\CMS\Factory::getMailer() JROOT/components/com_hikashop/controllers/product.php:257 5 productController->add_waitlist() JROOT/libraries/src/MVC/Controller/BaseController.php:693 6 Joomla\CMS\MVC\Controller\BaseController->execute() JROOT/administrator/components/com_hikashop/helpers/helper.php:2535 7 hikashopController->execute() JROOT/components/com_hikashop/hikashop.php:88 8 require_once() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:71 9 Joomla\CMS\Dispatcher\LegacyComponentDispatcher::Joomla\CMS\Dispatcher\{closure}() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:73 10 Joomla\CMS\Dispatcher\LegacyComponentDispatcher->dispatch() JROOT/libraries/src/Component/ComponentHelper.php:361 11 Joomla\CMS\Component\ComponentHelper::renderComponent() JROOT/libraries/src/Application/SiteApplication.php:208 12 Joomla\CMS\Application\SiteApplication->dispatch() JROOT/libraries/src/Application/SiteApplication.php:249 13 Joomla\CMS\Application\SiteApplication->doExecute() JROOT/libraries/src/Application/CMSApplication.php:293 14 Joomla\CMS\Application\CMSApplication->execute() JROOT/includes/app.php:61 15 require_once() JROOT/index.php:32 Hi everyone. I'm really happy with using hikashop business (5.0 at the moment) for some years now. but since my Joomla 4.4 update today at first glance everything runs smoothly. When someone tries to buy a product everything works fine until checkout last step when you press buy, there is an error message: 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned. But I can see the order in backend. But I get no mail, that an order was created. And I can’t change the Order-Status in backend. I get the same errormessage When someone tries to get subscribe to a waitlist the same error occurs, when you click on send. thanks in Advance")* I just tested it - and I get this error message Beim Abrufen von JSON-Daten wurde ein HTTP-Statuscode 500 zurückgegeben. Hope this helps. I'm back to my backup-version 4.3 - and the "bad" version is on test server ![:-)](/media/kunena/emoticons/9.png ":-)") - I gave me this message Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI1LWluc3RhbGwtdXBkYXRlLzkwNzE0OS1wcm9ibGVtcy1hZnRlci1qb29tbGEtNC00LXVwZ3JhZGU/dG1wbD1tYXJrZG93bg==) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[nicolas](/forum/user/63-nicolas "View nicolas's Profile")** - [![nicolas's Avatar](https://www.hikashop.com/media/kunena/avatars/resized/size144/users/avatar63.png)](/forum/user/63-nicolas "View nicolas's Profile") - [ Offline](/forum/user/63-nicolas) Less More - Posts: 86286 - Thank you received: 14263 - - 3 years 4 days ago [\#355984](#355984) by [nicolas](/forum/user/63-nicolas "View nicolas's Profile") Replied by *[nicolas](/forum/user/63-nicolas "View nicolas's Profile")* on topic *[Problems after Joomla 4.4 upgrade](/forum/25-install-update/907149-problems-after-joomla-4-4-upgrade#355984 "-- url of the page with the problem -- : www.wunderwerkstatt.eu/downloads.html -- HikaShop version -- : 5.0.0 -- Joomla version -- : 4.4 -- PHP version -- : 8.1 -- Browser(s) name and version -- : Safari 15.6.1 und Firefox 118.02 -- Error-message(debug-mod must be tuned on) -- : 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Die Seite kann nicht angezeigt werden, weil: ein veraltetes Lesezeichen aufgerufen wurde. über eine Suchmaschine ein veralteter Index dieser Website aufgerufen wurde. eine falsche Adresse aufgerufen wurde. keine Zugriffsrechte für diese Seite vorhanden sind. Die angefragte Quelle wurde nicht gefunden. Während der Anfrage ist ein Fehler aufgetreten. Bitte eine der folgenden Seiten ausprobieren: Startseite Bei Problemen ist der Administrator dieser Website zuständig. Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Call stack # Function Location 1 () JROOT/libraries/src/Mail/MailerFactory.php:106 2 Joomla\CMS\Mail\MailerFactory->createMailer() JROOT/libraries/src/Factory.php:708 3 Joomla\CMS\Factory::createMailer() JROOT/libraries/src/Factory.php:490 4 Joomla\CMS\Factory::getMailer() JROOT/components/com_hikashop/controllers/product.php:257 5 productController->add_waitlist() JROOT/libraries/src/MVC/Controller/BaseController.php:693 6 Joomla\CMS\MVC\Controller\BaseController->execute() JROOT/administrator/components/com_hikashop/helpers/helper.php:2535 7 hikashopController->execute() JROOT/components/com_hikashop/hikashop.php:88 8 require_once() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:71 9 Joomla\CMS\Dispatcher\LegacyComponentDispatcher::Joomla\CMS\Dispatcher\{closure}() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:73 10 Joomla\CMS\Dispatcher\LegacyComponentDispatcher->dispatch() JROOT/libraries/src/Component/ComponentHelper.php:361 11 Joomla\CMS\Component\ComponentHelper::renderComponent() JROOT/libraries/src/Application/SiteApplication.php:208 12 Joomla\CMS\Application\SiteApplication->dispatch() JROOT/libraries/src/Application/SiteApplication.php:249 13 Joomla\CMS\Application\SiteApplication->doExecute() JROOT/libraries/src/Application/CMSApplication.php:293 14 Joomla\CMS\Application\CMSApplication->execute() JROOT/includes/app.php:61 15 require_once() JROOT/index.php:32 Hi everyone. I'm really happy with using hikashop business (5.0 at the moment) for some years now. but since my Joomla 4.4 update today at first glance everything runs smoothly. When someone tries to buy a product everything works fine until checkout last step when you press buy, there is an error message: 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned. But I can see the order in backend. But I get no mail, that an order was created. And I can’t change the Order-Status in backend. I get the same errormessage When someone tries to get subscribe to a waitlist the same error occurs, when you click on send. thanks in Advance")* Hi, The last message on github indicates that the issue might be with the "AcyMailing - Override Joomla emails" plugin : [ github.com/joomla/joomla-cms/issues/4216...uecomment-1770345080](https://github.com/joomla/joomla-cms/issues/42164#issuecomment-1770345080) So if you have it, try disabling it. Supposing that this fixes the problem for you to, you'll have to report the issue to AcyMailing. Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI1LWluc3RhbGwtdXBkYXRlLzkwNzE0OS1wcm9ibGVtcy1hZnRlci1qb29tbGEtNC00LXVwZ3JhZGU/dG1wbD1tYXJrZG93bg==) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[manubothe](/forum/user/48728-manubothe "View manubothe's Profile")** - [![manubothe's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/48728-manubothe "View manubothe's Profile") Topic Author - [ Offline](/forum/user/48728-manubothe) Less More - Posts: 9 - Thank you received: 1 - - 3 years 4 days ago [\#355985](#355985) by [manubothe](/forum/user/48728-manubothe "View manubothe's Profile") Replied by *[manubothe](/forum/user/48728-manubothe "View manubothe's Profile")* on topic *[Problems after Joomla 4.4 upgrade](/forum/25-install-update/907149-problems-after-joomla-4-4-upgrade#355985 "-- url of the page with the problem -- : www.wunderwerkstatt.eu/downloads.html -- HikaShop version -- : 5.0.0 -- Joomla version -- : 4.4 -- PHP version -- : 8.1 -- Browser(s) name and version -- : Safari 15.6.1 und Firefox 118.02 -- Error-message(debug-mod must be tuned on) -- : 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Die Seite kann nicht angezeigt werden, weil: ein veraltetes Lesezeichen aufgerufen wurde. über eine Suchmaschine ein veralteter Index dieser Website aufgerufen wurde. eine falsche Adresse aufgerufen wurde. keine Zugriffsrechte für diese Seite vorhanden sind. Die angefragte Quelle wurde nicht gefunden. Während der Anfrage ist ein Fehler aufgetreten. Bitte eine der folgenden Seiten ausprobieren: Startseite Bei Problemen ist der Administrator dieser Website zuständig. Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Call stack # Function Location 1 () JROOT/libraries/src/Mail/MailerFactory.php:106 2 Joomla\CMS\Mail\MailerFactory->createMailer() JROOT/libraries/src/Factory.php:708 3 Joomla\CMS\Factory::createMailer() JROOT/libraries/src/Factory.php:490 4 Joomla\CMS\Factory::getMailer() JROOT/components/com_hikashop/controllers/product.php:257 5 productController->add_waitlist() JROOT/libraries/src/MVC/Controller/BaseController.php:693 6 Joomla\CMS\MVC\Controller\BaseController->execute() JROOT/administrator/components/com_hikashop/helpers/helper.php:2535 7 hikashopController->execute() JROOT/components/com_hikashop/hikashop.php:88 8 require_once() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:71 9 Joomla\CMS\Dispatcher\LegacyComponentDispatcher::Joomla\CMS\Dispatcher\{closure}() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:73 10 Joomla\CMS\Dispatcher\LegacyComponentDispatcher->dispatch() JROOT/libraries/src/Component/ComponentHelper.php:361 11 Joomla\CMS\Component\ComponentHelper::renderComponent() JROOT/libraries/src/Application/SiteApplication.php:208 12 Joomla\CMS\Application\SiteApplication->dispatch() JROOT/libraries/src/Application/SiteApplication.php:249 13 Joomla\CMS\Application\SiteApplication->doExecute() JROOT/libraries/src/Application/CMSApplication.php:293 14 Joomla\CMS\Application\CMSApplication->execute() JROOT/includes/app.php:61 15 require_once() JROOT/index.php:32 Hi everyone. I'm really happy with using hikashop business (5.0 at the moment) for some years now. but since my Joomla 4.4 update today at first glance everything runs smoothly. When someone tries to buy a product everything works fine until checkout last step when you press buy, there is an error message: 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned. But I can see the order in backend. But I get no mail, that an order was created. And I can’t change the Order-Status in backend. I get the same errormessage When someone tries to get subscribe to a waitlist the same error occurs, when you click on send. thanks in Advance")* Wow thanks for keeping track. Yes after disabling this plugin everything works as it should. I will report to Acymailing. Thanks again! Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI1LWluc3RhbGwtdXBkYXRlLzkwNzE0OS1wcm9ibGVtcy1hZnRlci1qb29tbGEtNC00LXVwZ3JhZGU/dG1wbD1tYXJrZG93bg==) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[gcopping](/forum/user/77804-gcopping "View gcopping's Profile")** - [![gcopping's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/77804-gcopping "View gcopping's Profile") - [ Offline](/forum/user/77804-gcopping) Less More - Posts: 26 - Thank you received: 0 - - 2 years 11 months ago [\#356234](#356234) by [gcopping](/forum/user/77804-gcopping "View gcopping's Profile") Replied by *[gcopping](/forum/user/77804-gcopping "View gcopping's Profile")* on topic *[Problems after Joomla 4.4 upgrade](/forum/25-install-update/907149-problems-after-joomla-4-4-upgrade#356234 "-- url of the page with the problem -- : www.wunderwerkstatt.eu/downloads.html -- HikaShop version -- : 5.0.0 -- Joomla version -- : 4.4 -- PHP version -- : 8.1 -- Browser(s) name and version -- : Safari 15.6.1 und Firefox 118.02 -- Error-message(debug-mod must be tuned on) -- : 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Die Seite kann nicht angezeigt werden, weil: ein veraltetes Lesezeichen aufgerufen wurde. über eine Suchmaschine ein veralteter Index dieser Website aufgerufen wurde. eine falsche Adresse aufgerufen wurde. keine Zugriffsrechte für diese Seite vorhanden sind. Die angefragte Quelle wurde nicht gefunden. Während der Anfrage ist ein Fehler aufgetreten. Bitte eine der folgenden Seiten ausprobieren: Startseite Bei Problemen ist der Administrator dieser Website zuständig. Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Call stack # Function Location 1 () JROOT/libraries/src/Mail/MailerFactory.php:106 2 Joomla\CMS\Mail\MailerFactory->createMailer() JROOT/libraries/src/Factory.php:708 3 Joomla\CMS\Factory::createMailer() JROOT/libraries/src/Factory.php:490 4 Joomla\CMS\Factory::getMailer() JROOT/components/com_hikashop/controllers/product.php:257 5 productController->add_waitlist() JROOT/libraries/src/MVC/Controller/BaseController.php:693 6 Joomla\CMS\MVC\Controller\BaseController->execute() JROOT/administrator/components/com_hikashop/helpers/helper.php:2535 7 hikashopController->execute() JROOT/components/com_hikashop/hikashop.php:88 8 require_once() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:71 9 Joomla\CMS\Dispatcher\LegacyComponentDispatcher::Joomla\CMS\Dispatcher\{closure}() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:73 10 Joomla\CMS\Dispatcher\LegacyComponentDispatcher->dispatch() JROOT/libraries/src/Component/ComponentHelper.php:361 11 Joomla\CMS\Component\ComponentHelper::renderComponent() JROOT/libraries/src/Application/SiteApplication.php:208 12 Joomla\CMS\Application\SiteApplication->dispatch() JROOT/libraries/src/Application/SiteApplication.php:249 13 Joomla\CMS\Application\SiteApplication->doExecute() JROOT/libraries/src/Application/CMSApplication.php:293 14 Joomla\CMS\Application\CMSApplication->execute() JROOT/includes/app.php:61 15 require_once() JROOT/index.php:32 Hi everyone. I'm really happy with using hikashop business (5.0 at the moment) for some years now. but since my Joomla 4.4 update today at first glance everything runs smoothly. When someone tries to buy a product everything works fine until checkout last step when you press buy, there is an error message: 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned. But I can see the order in backend. But I get no mail, that an order was created. And I can’t change the Order-Status in backend. I get the same errormessage When someone tries to get subscribe to a waitlist the same error occurs, when you click on send. thanks in Advance")* Is it now OK to upgrade to Joomla 4.4.0 as I havn't done it yet? Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI1LWluc3RhbGwtdXBkYXRlLzkwNzE0OS1wcm9ibGVtcy1hZnRlci1qb29tbGEtNC00LXVwZ3JhZGU/dG1wbD1tYXJrZG93bg==) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[manubothe](/forum/user/48728-manubothe "View manubothe's Profile")** - [![manubothe's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/48728-manubothe "View manubothe's Profile") Topic Author - [ Offline](/forum/user/48728-manubothe) Less More - Posts: 9 - Thank you received: 1 - - 2 years 11 months ago [\#356237](#356237) by [manubothe](/forum/user/48728-manubothe "View manubothe's Profile") Replied by *[manubothe](/forum/user/48728-manubothe "View manubothe's Profile")* on topic *[Problems after Joomla 4.4 upgrade](/forum/25-install-update/907149-problems-after-joomla-4-4-upgrade#356237 "-- url of the page with the problem -- : www.wunderwerkstatt.eu/downloads.html -- HikaShop version -- : 5.0.0 -- Joomla version -- : 4.4 -- PHP version -- : 8.1 -- Browser(s) name and version -- : Safari 15.6.1 und Firefox 118.02 -- Error-message(debug-mod must be tuned on) -- : 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Die Seite kann nicht angezeigt werden, weil: ein veraltetes Lesezeichen aufgerufen wurde. über eine Suchmaschine ein veralteter Index dieser Website aufgerufen wurde. eine falsche Adresse aufgerufen wurde. keine Zugriffsrechte für diese Seite vorhanden sind. Die angefragte Quelle wurde nicht gefunden. Während der Anfrage ist ein Fehler aufgetreten. Bitte eine der folgenden Seiten ausprobieren: Startseite Bei Problemen ist der Administrator dieser Website zuständig. Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Call stack # Function Location 1 () JROOT/libraries/src/Mail/MailerFactory.php:106 2 Joomla\CMS\Mail\MailerFactory->createMailer() JROOT/libraries/src/Factory.php:708 3 Joomla\CMS\Factory::createMailer() JROOT/libraries/src/Factory.php:490 4 Joomla\CMS\Factory::getMailer() JROOT/components/com_hikashop/controllers/product.php:257 5 productController->add_waitlist() JROOT/libraries/src/MVC/Controller/BaseController.php:693 6 Joomla\CMS\MVC\Controller\BaseController->execute() JROOT/administrator/components/com_hikashop/helpers/helper.php:2535 7 hikashopController->execute() JROOT/components/com_hikashop/hikashop.php:88 8 require_once() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:71 9 Joomla\CMS\Dispatcher\LegacyComponentDispatcher::Joomla\CMS\Dispatcher\{closure}() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:73 10 Joomla\CMS\Dispatcher\LegacyComponentDispatcher->dispatch() JROOT/libraries/src/Component/ComponentHelper.php:361 11 Joomla\CMS\Component\ComponentHelper::renderComponent() JROOT/libraries/src/Application/SiteApplication.php:208 12 Joomla\CMS\Application\SiteApplication->dispatch() JROOT/libraries/src/Application/SiteApplication.php:249 13 Joomla\CMS\Application\SiteApplication->doExecute() JROOT/libraries/src/Application/CMSApplication.php:293 14 Joomla\CMS\Application\CMSApplication->execute() JROOT/includes/app.php:61 15 require_once() JROOT/index.php:32 Hi everyone. I'm really happy with using hikashop business (5.0 at the moment) for some years now. but since my Joomla 4.4 update today at first glance everything runs smoothly. When someone tries to buy a product everything works fine until checkout last step when you press buy, there is an error message: 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned. But I can see the order in backend. But I get no mail, that an order was created. And I can’t change the Order-Status in backend. I get the same errormessage When someone tries to get subscribe to a waitlist the same error occurs, when you click on send. thanks in Advance")* yes - the Problem was acymailing plugin mentioned above - with the new acymailling upgrade the Joomla 4.4 runs smoothly Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI1LWluc3RhbGwtdXBkYXRlLzkwNzE0OS1wcm9ibGVtcy1hZnRlci1qb29tbGEtNC00LXVwZ3JhZGU/dG1wbD1tYXJrZG93bg==) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[nicolas](/forum/user/63-nicolas "View nicolas's Profile")** - [![nicolas's Avatar](https://www.hikashop.com/media/kunena/avatars/resized/size144/users/avatar63.png)](/forum/user/63-nicolas "View nicolas's Profile") - [ Offline](/forum/user/63-nicolas) Less More - Posts: 86286 - Thank you received: 14263 - - 2 years 11 months ago [\#356236](#356236) by [nicolas](/forum/user/63-nicolas "View nicolas's Profile") Replied by *[nicolas](/forum/user/63-nicolas "View nicolas's Profile")* on topic *[Problems after Joomla 4.4 upgrade](/forum/25-install-update/907149-problems-after-joomla-4-4-upgrade#356236 "-- url of the page with the problem -- : www.wunderwerkstatt.eu/downloads.html -- HikaShop version -- : 5.0.0 -- Joomla version -- : 4.4 -- PHP version -- : 8.1 -- Browser(s) name and version -- : Safari 15.6.1 und Firefox 118.02 -- Error-message(debug-mod must be tuned on) -- : 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Die Seite kann nicht angezeigt werden, weil: ein veraltetes Lesezeichen aufgerufen wurde. über eine Suchmaschine ein veralteter Index dieser Website aufgerufen wurde. eine falsche Adresse aufgerufen wurde. keine Zugriffsrechte für diese Seite vorhanden sind. Die angefragte Quelle wurde nicht gefunden. Während der Anfrage ist ein Fehler aufgetreten. Bitte eine der folgenden Seiten ausprobieren: Startseite Bei Problemen ist der Administrator dieser Website zuständig. Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned Call stack # Function Location 1 () JROOT/libraries/src/Mail/MailerFactory.php:106 2 Joomla\CMS\Mail\MailerFactory->createMailer() JROOT/libraries/src/Factory.php:708 3 Joomla\CMS\Factory::createMailer() JROOT/libraries/src/Factory.php:490 4 Joomla\CMS\Factory::getMailer() JROOT/components/com_hikashop/controllers/product.php:257 5 productController->add_waitlist() JROOT/libraries/src/MVC/Controller/BaseController.php:693 6 Joomla\CMS\MVC\Controller\BaseController->execute() JROOT/administrator/components/com_hikashop/helpers/helper.php:2535 7 hikashopController->execute() JROOT/components/com_hikashop/hikashop.php:88 8 require_once() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:71 9 Joomla\CMS\Dispatcher\LegacyComponentDispatcher::Joomla\CMS\Dispatcher\{closure}() JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:73 10 Joomla\CMS\Dispatcher\LegacyComponentDispatcher->dispatch() JROOT/libraries/src/Component/ComponentHelper.php:361 11 Joomla\CMS\Component\ComponentHelper::renderComponent() JROOT/libraries/src/Application/SiteApplication.php:208 12 Joomla\CMS\Application\SiteApplication->dispatch() JROOT/libraries/src/Application/SiteApplication.php:249 13 Joomla\CMS\Application\SiteApplication->doExecute() JROOT/libraries/src/Application/CMSApplication.php:293 14 Joomla\CMS\Application\CMSApplication->execute() JROOT/includes/app.php:61 15 require_once() JROOT/index.php:32 Hi everyone. I'm really happy with using hikashop business (5.0 at the moment) for some years now. but since my Joomla 4.4 update today at first glance everything runs smoothly. When someone tries to buy a product everything works fine until checkout last step when you press buy, there is an error message: 0 - Joomla\CMS\Mail\MailerFactory::createMailer(): Return value must be of type Joomla\CMS\Mail\MailerInterface, Joomla\CMS\Mail\Mail returned. But I can see the order in backend. But I get no mail, that an order was created. And I can’t change the Order-Status in backend. I get the same errormessage When someone tries to get subscribe to a waitlist the same error occurs, when you click on send. thanks in Advance")* Hi, It depends on your situation ![:)](/media/kunena/emoticons/8.png ":)") If you only have HikaShop on your website and you're using the latest version, then it's fine. If you have other extensions, then I can't say for sure as each extension needs to be compatible with Joomla 4.4. For example, for the issue on this thread, it was reported to AcyMailing 1 week ago: [ forum.acymailing.com/d/6793-0-joomlacmsm...rfactorycreatemailer](https://forum.acymailing.com/d/6793-0-joomlacmsmailmailerfactorycreatemailer) And the new version, the 8.8.0, with the patch for the 4.4 compatibility was released 3 days ago: [ www.acymailing.com/change-log/](https://www.acymailing.com/change-log/) So if you have the latest version of AcyMailing, or you don't use AcyMailing, you're fine. I suppose that by now, most big issues should have been fixed by the developers of big extensions. So if you are up to date with your extensions, you'll probably be fine updating Joomla to the 4.4.0, but I can't guarantee it for things other than HikaShop. Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI1LWluc3RhbGwtdXBkYXRlLzkwNzE0OS1wcm9ibGVtcy1hZnRlci1qb29tbGEtNC00LXVwZ3JhZGU/dG1wbD1tYXJrZG93bg==) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. 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