MediaWiki internal error.

Original exception: [ZgUxEAE3hm6xt@eF3DIWSwAAAA8] 2024-03-28 08:57:52: 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.