MediaWiki internal error.

Original exception: [ZgXvs6uaj1qs3RbTSonH@QAAAAM] 2024-03-28 22:31:16: 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.