MediaWiki internal error.

Original exception: [ef799ca6c68d8046864d9889] 2024-03-29 13:34:08: 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.