MediaWiki internal error.

Original exception: [ZgaTHuqwpU0J@DbJ2o-9NQAAABM] 2024-03-29 10:08:30: 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.