[Skip to main content](#vessel-content) # Joomla 4 compatibility error ## - **[plnabais](/forum/user/51510-plnabais "View plnabais's Profile")** - [![plnabais's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/51510-plnabais "View plnabais's Profile") Topic Author - [ Offline](/forum/user/51510-plnabais) Less More - Posts: 23 - Thank you received: 1 - - 4 years 10 months ago [\#338255](#338255) by [plnabais](/forum/user/51510-plnabais "View plnabais's Profile") *[Joomla 4 compatibility error](/forum/22-market-bug-report/903736-joomla-4-compatibility-error#338255 "-- HikaShop version -- : 4.4.4 -- HikaMarket version -- : 4.0.0 -- Joomla version -- : 4.0.5 -- PHP version -- : 8.1 -- Browser(s) name and version -- : Chrome 96.0.4664.110 -- Error-message(debug-mod must be tuned on) -- : select::optgroup not found. When I try to create an menu hikamarket->Vendor listing I have the following error (select::optgroup not found.)")* was created by *[plnabais](/forum/user/51510-plnabais "View plnabais's Profile")* -- HikaShop version -- : 4.4.4 -- HikaMarket version -- : 4.0.0 -- Joomla version -- : 4.0.5 -- PHP version -- : 8.1 -- Browser(s) name and version -- : Chrome 96.0.4664.110 -- Error-message(debug-mod must be tuned on) -- : select::optgroup not found. When I try to create an menu hikamarket->Vendor listing I have the following error (select::optgroup not found.) [ ![error_01.jpeg](/forum/attachment/54100) ](/forum/attachment/54100 "error_01.jpeg") [ ![error_02.jpeg](/forum/attachment/54101) ](/forum/attachment/54101 "error_02.jpeg") [ ![error_03.jpeg](/forum/attachment/54102) ](/forum/attachment/54102 "error_03.jpeg") [ ![error_04.jpeg](/forum/attachment/54103) ](/forum/attachment/54103 "error_04.jpeg") [ ![error_05.jpeg](/forum/attachment/54104) ](/forum/attachment/54104 "error_05.jpeg") - [ ![error_01.jpeg](/forum/attachment/54100) ](/forum/attachment/54100 "error_01.jpeg") [ ](/forum/attachment/54100?download=1 "error_01.jpeg") - [ ![error_02.jpeg](/forum/attachment/54101) ](/forum/attachment/54101 "error_02.jpeg") [ ](/forum/attachment/54101?download=1 "error_02.jpeg") - [ ![error_03.jpeg](/forum/attachment/54102) ](/forum/attachment/54102 "error_03.jpeg") [ ](/forum/attachment/54102?download=1 "error_03.jpeg") - [ ![error_04.jpeg](/forum/attachment/54103) ](/forum/attachment/54103 "error_04.jpeg") [ ](/forum/attachment/54103?download=1 "error_04.jpeg") - [ ![error_05.jpeg](/forum/attachment/54104) ](/forum/attachment/54104 "error_05.jpeg") [ ](/forum/attachment/54104?download=1 "error_05.jpeg") Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzIyLW1hcmtldC1idWctcmVwb3J0LzkwMzczNi1qb29tbGEtNC1jb21wYXRpYmlsaXR5LWVycm9yP3RtcGw9bWFya2Rvd24=) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[plnabais](/forum/user/51510-plnabais "View plnabais's Profile")** - [![plnabais's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/51510-plnabais "View plnabais's Profile") Topic Author - [ Offline](/forum/user/51510-plnabais) Less More - Posts: 23 - Thank you received: 1 - - 4 years 10 months ago [\#338256](#338256) by [plnabais](/forum/user/51510-plnabais "View plnabais's Profile") Replied by *[plnabais](/forum/user/51510-plnabais "View plnabais's Profile")* on topic *[Joomla 4 compatibility error](/forum/22-market-bug-report/903736-joomla-4-compatibility-error#338256 "-- HikaShop version -- : 4.4.4 -- HikaMarket version -- : 4.0.0 -- Joomla version -- : 4.0.5 -- PHP version -- : 8.1 -- Browser(s) name and version -- : Chrome 96.0.4664.110 -- Error-message(debug-mod must be tuned on) -- : select::optgroup not found. When I try to create an menu hikamarket->Vendor listing I have the following error (select::optgroup not found.)")* When I use the php 7.4 the error do not occur Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzIyLW1hcmtldC1idWctcmVwb3J0LzkwMzczNi1qb29tbGEtNC1jb21wYXRpYmlsaXR5LWVycm9yP3RtcGw9bWFya2Rvd24=) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[Jerome](/forum/user/80-jerome "View Jerome's Profile")** - [![Jerome's Avatar](https://www.hikashop.com/media/kunena/avatars/resized/size144/users/avatar80.png)](/forum/user/80-jerome "View Jerome's Profile") - [ Offline](/forum/user/80-jerome) - HikaShop core developer Less More - Posts: 26400 - Thank you received: 4079 - - [](http://obsi.dev) - 4 years 10 months ago [\#338264](#338264) by [Jerome](/forum/user/80-jerome "View Jerome's Profile") Replied by *[Jerome](/forum/user/80-jerome "View Jerome's Profile")* on topic *[Joomla 4 compatibility error](/forum/22-market-bug-report/903736-joomla-4-compatibility-error#338264 "-- HikaShop version -- : 4.4.4 -- HikaMarket version -- : 4.0.0 -- Joomla version -- : 4.0.5 -- PHP version -- : 8.1 -- Browser(s) name and version -- : Chrome 96.0.4664.110 -- Error-message(debug-mod must be tuned on) -- : select::optgroup not found. When I try to create an menu hikamarket->Vendor listing I have the following error (select::optgroup not found.)")* Hello, Thank you for your report. We're working on a patch and we will make a new release of HikaMarket to fix the "optgroup" issue. Regards, --- Jerome - Obsidev.com HikaMarket & HikaSerial developer / HikaShop core dev team. Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzIyLW1hcmtldC1idWctcmVwb3J0LzkwMzczNi1qb29tbGEtNC1jb21wYXRpYmlsaXR5LWVycm9yP3RtcGw9bWFya2Rvd24=) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[Jerome](/forum/user/80-jerome "View Jerome's Profile")** - [![Jerome's Avatar](https://www.hikashop.com/media/kunena/avatars/resized/size144/users/avatar80.png)](/forum/user/80-jerome "View Jerome's Profile") - [ Offline](/forum/user/80-jerome) - HikaShop core developer Less More - Posts: 26400 - Thank you received: 4079 - - [](http://obsi.dev) - 4 years 10 months ago [\#338583](#338583) by [Jerome](/forum/user/80-jerome "View Jerome's Profile") Replied by *[Jerome](/forum/user/80-jerome "View Jerome's Profile")* on topic *[Joomla 4 compatibility error](/forum/22-market-bug-report/903736-joomla-4-compatibility-error#338583 "-- HikaShop version -- : 4.4.4 -- HikaMarket version -- : 4.0.0 -- Joomla version -- : 4.0.5 -- PHP version -- : 8.1 -- Browser(s) name and version -- : Chrome 96.0.4664.110 -- Error-message(debug-mod must be tuned on) -- : select::optgroup not found. When I try to create an menu hikamarket->Vendor listing I have the following error (select::optgroup not found.)")* Hello, HikaMarket 4.1.0 has been published and contains the fixes for Joomla 4 + PHP8 optgroup issue. [ www.hikashop.com/support/documentation/1...arket-changelog.html](https://www.hikashop.com/support/documentation/147-hikamarket-changelog.html) Regards, --- Jerome - Obsidev.com HikaMarket & HikaSerial developer / HikaShop core dev team. Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzIyLW1hcmtldC1idWctcmVwb3J0LzkwMzczNi1qb29tbGEtNC1jb21wYXRpYmlsaXR5LWVycm9yP3RtcGw9bWFya2Rvd24=) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. 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