[Skip to main content](#vessel-content) # Everything broke ## - **[cr2](/forum/user/34381-cr2 "View cr2's Profile")** - [![cr2's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/34381-cr2 "View cr2's Profile") Topic Author - [ Offline](/forum/user/34381-cr2) Less More - Posts: 32 - Thank you received: 0 - - 3 years 9 months ago [\#347850](#347850) by [cr2](/forum/user/34381-cr2 "View cr2's Profile") *[Everything broke](/forum/25-install-update/905605-everything-broke#347850 "-- url of the page with the problem -- : cp.cloudaccess.host/ -- Joomla version -- : 4 -- Error-message(debug-mod must be tuned on) -- : plgSystemHika_Rsvp_redirect->onAfterRoute() Hi - I'm doing an upgrade to Joomla 4 and am having all kinds of problems. Hikashop was up to date but I received an error message that the sync plugin or something like that was not install or was disabled. So i went in an turned on some of the disabled plugins and the whole thing broke. Back end, front end all of it. How do i re-install Hikashop from ftp? would that be the solution?")* was created by *[cr2](/forum/user/34381-cr2 "View cr2's Profile")* -- url of the page with the problem -- : [ cp.cloudaccess.host/](http://cp.cloudaccess.host/) -- Joomla version -- : 4 -- Error-message(debug-mod must be tuned on) -- : plgSystemHika_Rsvp_redirect->onAfterRoute() Hi - I'm doing an upgrade to Joomla 4 and am having all kinds of problems. Hikashop was up to date but I received an error message that the sync plugin or something like that was not install or was disabled. So i went in an turned on some of the disabled plugins and the whole thing broke. Back end, front end all of it. How do i re-install Hikashop from ftp? would that be the solution? Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtL2luc3RhbGwtdXBkYXRlLzkwNTYwNS1ldmVyeXRoaW5nLWJyb2tlP3RtcGw9bWFya2Rvd24=) 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: 86290 - Thank you received: 14266 - - 3 years 9 months ago - 3 years 9 months ago [\#347851](#347851) by [nicolas](/forum/user/63-nicolas "View nicolas's Profile") Replied by *[nicolas](/forum/user/63-nicolas "View nicolas's Profile")* on topic *[Everything broke](/forum/25-install-update/905605-everything-broke#347851 "-- url of the page with the problem -- : cp.cloudaccess.host/ -- Joomla version -- : 4 -- Error-message(debug-mod must be tuned on) -- : plgSystemHika_Rsvp_redirect->onAfterRoute() Hi - I'm doing an upgrade to Joomla 4 and am having all kinds of problems. Hikashop was up to date but I received an error message that the sync plugin or something like that was not install or was disabled. So i went in an turned on some of the disabled plugins and the whole thing broke. Back end, front end all of it. How do i re-install Hikashop from ftp? would that be the solution?")* Hi, The full error message is: Code: 0 Class "JRequest" not found plugins/system/hika_rsvp_redirect/hika_rsvp_redirect.php (17) This means that the version of the RSVP-HikaShop integration plugin you're using is not compatible with Joomla 4. So the error is not in HikaShop and reinstalling HikaShop won't help. You need to either disable the RSVP-HikaShop integration plugin or update it to a Joomla 4-compatible version. So you'll have to check with the support at [ www.jevents.net/](https://www.jevents.net/) Last edit: 3 years 9 months ago by [nicolas](/forum/user/63-nicolas "View nicolas's Profile"). Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtL2luc3RhbGwtdXBkYXRlLzkwNTYwNS1ldmVyeXRoaW5nLWJyb2tlP3RtcGw9bWFya2Rvd24=) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. Board Categories HikaShop- Install & Update- Product & Category Display- Content Creation- Sales and Orders- - Orders management- - Reports & Statistics- Customers- Checkout- Payment Methods- Shipping Methods- Import & Export (CSV, XLS…)- Specific Features- - Affilation- - Taxes- - Wishlist- - Vote- - Carousel & Slider- - Mass Actions- - Filters & Search- - Discount & Coupon- - Feature Request- Integrations- Showcase- General Talk about HikaShop- Development- - HikaShop 3.0 Beta- Translation- Commercial Jobs HikaShop Components- HikaMarket- - Market: Feature requests- - Market: How to?- - Market: Bug Report- HikaSerial- - General talk about HikaSerial- - Serial: Bug Report- - Serial: How to?- - Support en Français de HikaSerial (French Support)- - HikaSubscription- HikaAuction- - Auction: Feature requests- - Auction: How to?- - Auction: Bug report Hikashop around the world- Support en Français (French Support)- Russian- - FAQ. Курс выживания с Hikashop. 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