MediaWiki internal error.

Original exception: [ZgX7Oz@crHkKYDnEc@S-0QAAAAI] 2024-03-28 23:20:27: 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.