MediaWiki internal error.

Original exception: [ZgaqK5TNl@CSU2aFE4CrWgAAABo] 2024-03-29 11:46:51: 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.