MediaWiki internal error.

Original exception: [b4a15e6647afdf275eb7c4ed] 2024-03-29 00:08:16: 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.