Plan details not appearing on membership page + Class "JController" not found

After upgrade to Joomla 5.3.4

The membership page displays '[cbsubs:plans plan="22" output="name" /]   [cbsubs:plans plan="22" output="price" /]' instead of the actual data
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The 'your profile' link throws an error: '0 - Class "JController" not found' : the 'edit profile' link is fine, though attempting to save an update throws the same error; the call stack last few lines are
1 ()                                     JROOT/components/com_adsmanager/lib/core.php:48
2   require_once()             JROOT/components/com_comprofiler/plugin/user/plug_adsmanager-tab/adsmanager.plugin.php:20

I have adsmanager installed, but disabled; I don't use it.    
I tried to uninstall it using the Joomla uninstall function and got the error:
'Call to undefined method Joomla\Database\Mysqli\MysqliDriver::query() ' with the following stack:1()JROOT/administrator/components/com_adsmanager/install.adsmanager.php:527 2Com_AdsmanagerInstallerScript->_bugfixCantBuildAdminMenus()JROOT/administrator/components/com_adsmanager/install.adsmanager.php:103