MediaWiki internal error.

Original exception: [ZgVn5QE3hm6xt@eF3DI@DgAAAA8] 2024-03-28 12:51:49: 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.