MediaWiki internal error.

Original exception: [ZgbbS3O-gkBR7D_yApP3wgAAXCQ] 2024-03-29 15:16:27: 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.