MediaWiki internal error.

Original exception: [ZgU@VfDe9cXOTzl1hE1olgAAAAM] 2024-03-28 09:54:30: 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.