MediaWiki internal error.

Original exception: [9b21034d4ca44b321b9e5ebc] 2024-03-28 22:06:37: 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.