MediaWiki internal error.

Original exception: [ZgWBKQE3hm6xt@eF3DJPrQAAAA8] 2024-03-28 14:39:37: 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.