MediaWiki internal error.

Original exception: [ZgUstew_Rv1Bk7TpJ0Ny_wAAABw] 2024-03-28 08:39:17: 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.