MediaWiki internal error.

Original exception: [ZgZ-FWfG6uGVcYEa@vxxPgAAAD8] 2024-03-29 08:43:02: 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.