MediaWiki internal error.

Original exception: [Zga8LSu2YkA2Yd6Th5CKmwAAAAA] 2024-03-29 13:03:41: 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.