Hi, please see the response below from server support:
Hello,
Thank you for your patience.
We enabled the Joomla debug mode and error reporting in order to reveal the actual cause of the described issue, here is a copy of the error message that we spotted:
0 Unable to open cron url: SSL certificate problem: certificate has expired
Call stack
Function Location
1 () JROOT/administrator/components/com_jamegafilter/models/default.php:98
2 JaMegaFilterModelDefault->proxyExport() JROOT/administrator/components/com_jamegafilter/models/default.php:73
3 JaMegaFilterModelDefault->saveobj() JROOT/administrator/components/com_jamegafilter/controllers/default.php:54
4 JaMegaFilterControllerDefault->saveobj() JROOT/administrator/components/com_jamegafilter/controllers/default.php:65
5 JaMegaFilterControllerDefault->jaapply() JROOT/libraries/src/MVC/Controller/BaseController.php:710
6 Joomla\CMS\MVC\Controller\BaseController->execute() JROOT/administrator/components/com_jamegafilter/jamegafilter.php:43
7 require_once() JROOT/libraries/src/Component/ComponentHelper.php:402
8 Joomla\CMS\Component\ComponentHelper::executeComponent() JROOT/libraries/src/Component/ComponentHelper.php:377
9 Joomla\CMS\Component\ComponentHelper::renderComponent() JROOT/libraries/src/Application/AdministratorApplication.php:101
10 Joomla\CMS\Application\AdministratorApplication->dispatch() JROOT/libraries/src/Application/AdministratorApplication.php:159
11 Joomla\CMS\Application\AdministratorApplication->doExecute() JROOT/libraries/src/Application/CMSApplication.php:196
12 Joomla\CMS\Application\CMSApplication->execute() JROOT/administrator/index.php:51
As you can see, the issue comes from the JA Mega Filter component installed on your Joomla website. We recommend providing this information to the authors of the said component, as they will be best suited to advise you on how to remedy the issue.
There is an active SSL certificate installed for your domain, as you can confirm by using an online SSL checker
If there are any server-side adjustments required, please do not hesitate to reach us back, we will be happy to help.