MediaWiki internal error.

Original exception: [ZgU2p20uF9fKjxwYU4k9IQAAAA4] 2024-03-28 09:21:43: 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.