MediaWiki internal error.

Original exception: [ZgXn0WV-3@ScL96qFmHEiQAAAA4] 2024-03-28 21:57:38: 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.