MediaWiki internal error.

Original exception: [ZgVtSQE3hm6xt@eF3DJB5AAAAA8] 2024-03-28 13:14:50: 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.