MediaWiki internal error.

Original exception: [420a1bfc9ae03e031513b5c0] 2024-03-29 12:54:15: 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.