MediaWiki internal error.

Original exception: [81a1b91b5b18e9337c9abf3f] 2024-03-29 09:24:34: Fatal exception of type "Wikimedia\Rdbms\DBQueryError"

Exception caught inside exception handler.

Set $wgShowExceptionDetails = true; and $wgShowDBErrorBacktrace = true; at the bottom of LocalSettings.php to show detailed debugging information.