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After upgrading to Joomla 4.34 I cannot access the backend of my website.

My shared hosting account (Hostmonster) runs MySQL 5.7.23-23, which has limited me to CiviCRM 5.39 and running PHP 7.4. I've been looking into upgrading my hosting account to one that runs MySQL 5.7.5+ so that I can upgrade to the latest version of CiviCRM and use PHP 8+.

When I tried upgrading to PHP 8, I received this error: Sorry, there was a problem we could not recover from. The server returned a "500 - Whoops, looks like something went wrong."

Through file manager I set debug to "true" in the configuration.php file and received the below "Call stack" following the "An error has occurred. 0 Call to a member function register() on int" message.

I asked ChatGPT how to fix it and ChapGPT indicated that it was an issue with CiviCRM, but since I can't get into the backend, I can't try several of the solutions that were suggested.

I'm looking for options to gain access to the administration area of my website again. Once I do, I will upgrade my hosting account so that I can upgrade CiviCRM.

What do you suggest? Can I "Turn Off" the CIVICrm Component through file manager? Would that work?

Thanks,

Mike

"An error has occurred. 0 Call to a member function register() on int" message. Call stack

Function Location

1 () JROOT/administrator/components/com_civicrm/civicrm/CRM/Extension/ClassLoader.php:82 2 CRM_Extension_ClassLoader->register() JROOT/administrator/components/com_civicrm/civicrm/Civi/Core/Container.php:618 3 Civi\Core\Container::boot() JROOT/administrator/components/com_civicrm/civicrm/CRM/Core/Config.php:85 4 CRM_Core_Config::singleton() JROOT/plugins/user/civicrm/civicrm.php:109 5 plgUserCivicrm->civicrmResetNavigation() JROOT/plugins/user/civicrm/civicrm.php:91 6 plgUserCivicrm->onUserLogin() JROOT/libraries/src/Plugin/CMSPlugin.php:284 7 Joomla\CMS\Plugin\CMSPlugin->Joomla\CMS\Plugin{closure}() JROOT/libraries/vendor/joomla/event/src/Dispatcher.php:486 8 Joomla\Event\Dispatcher->dispatch() JROOT/libraries/src/Application/EventAware.php:111 9 Joomla\CMS\Application\WebApplication->triggerEvent() JROOT/libraries/src/Application/CMSApplication.php:866 10 Joomla\CMS\Application\CMSApplication->login() JROOT/libraries/src/Application/AdministratorApplication.php:341 11 Joomla\CMS\Application\AdministratorApplication->login() JROOT/administrator/components/com_login/src/Controller/DisplayController.php:82 12 Joomla\Component\Login\Administrator\Controller\DisplayController->login() JROOT/libraries/src/MVC/Controller/BaseController.php:678 13 Joomla\CMS\MVC\Controller\BaseController->execute() JROOT/libraries/src/Dispatcher/ComponentDispatcher.php:143 14 Joomla\CMS\Dispatcher\ComponentDispatcher->dispatch() JROOT/administrator/components/com_login/src/Dispatcher/Dispatcher.php:45 15 Joomla\Component\Login\Administrator\Dispatcher\Dispatcher->dispatch() JROOT/libraries/src/Component/ComponentHelper.php:361 16 Joomla\CMS\Component\ComponentHelper::renderComponent() JROOT/libraries/src/Application/AdministratorApplication.php:143 17 Joomla\CMS\Application\AdministratorApplication->dispatch() JROOT/libraries/src/Application/AdministratorApplication.php:186 18 Joomla\CMS\Application\AdministratorApplication->doExecute() JROOT/libraries/src/Application/CMSApplication.php:293 19 Joomla\CMS\Application\CMSApplication->execute() JROOT/administrator/includes/app.php:61 20 require_once() JROOT/administrator/index.php:32

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  • Just to clarify, the error occurred when you upgraded Joomla, and then got worse when you upgraded PHP, but you haven't recently upgrade Civi right? That's still 5.39?
    – Coleman
    Sep 19 at 20:39
  • Yes. I can't upgrade beyond 5.39 because my site runs on MySQL 5.7.23-23 and Civi 5.4+ requires MySQL 5.7.5+. docs.civicrm.org/installation/en/latest/general/requirements
    – Mike22359
    Sep 20 at 14:39
  • I am fairly sure my the issue began after the upgrade to Joomla 4.3.4. It was several days after upgrading that I attempted to access the backend of my site and ran into this problem.
    – Mike22359
    Sep 20 at 14:49
  • Have you cleared CiviCRM caches? Try deleting the contents of the templates_c directory.
    – Coleman
    Sep 20 at 16:36
  • That worked! Thank you, Coleman!
    – Mike22359
    Sep 20 at 19:46

1 Answer 1

Reset to default
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You can fix this by clearing caches. Try one or both of the following:

  1. On the command line cd path/to/civicrm and then cv flush.
  2. Delete the contents of the templates_c directory.
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