MediaWiki internal error.

Original exception: [Zga6T85iRZqGka@d2oA@GwAAABA] 2024-03-29 12:55:44: 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.