J4.x:Class "Joomla\Plugin\System\GuidedTours\Extension\GuidedTours" not found
From Joomla! Documentation
Errors reported
In the administrator console, I get: Class "Joomla\Plugin\System\GuidedTours\Extension\GuidedTours" not found
Versions affected
General Information
This pertains only to Joomla! version(s): 4.3.0 and 4.3.1
What is the cause
The issue has been reported when updating via Command-Line (CLI). The autoload_psr4.php file has not been properly updated.
How to fix
Remove the file administrator/cache/autoload_psr4.php, it will be recreated automatically. Make sure the /cache folder is writable.