MediaWiki internal error.

Original exception: [ZgbXxpu8nR3W9d2YYtZX4gAAAAA] 2024-03-29 15:01:26: Fatal exception of type "Wikimedia\Assert\PostconditionException"

Exception caught inside exception handler.

Set $wgShowExceptionDetails = true; at the bottom of LocalSettings.php to show detailed debugging information.