General Questions/New to Joomla! 4.x • Re: Joomla 4 site crash

Im still not sure what has gone on here. Does anyone know if it is possible to have a Cassiopieia template on J3? I didn't think so but I definitely updated a few months ago from Protostar J3XX to Cassiopeia J4.4.0 but now my Plesk control panel says I still have a Cassiopeia template and my Joomla version is 3.10.12. I can't get into the backend to try upgrading to J4.4.0 again. Whatever way I try to get into either a frontend page or the backend I always get the same error message:

Error: Call to undefined method Joomla\CMS\Application\SiteApplication::getInput(): Call to undefined method Joomla\CMS\Application\SiteApplication::getInput()

I can't find a solution and my webhost helpdesk just kept saying it was possibly a coding problem but they weren't really sure. Strange that between my site working properly and not working I didn't get into the backend and change anything so can only assume an update has changed something. It is a really basic 21 page website using the Cassiopieia template and all I have done is styled it with a bit of CSS - which had been working perfectly.

If no one can offer any solutions in the next day or two it seems my only option is to delete everything and rebuild it from scratch but I'm concerned if this has happened once it may happen again.

Statistics: Posted by zqnjohn — Sat Dec 16, 2023 12:29 am

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