Fatal error: Uncaught Error: Class "Wikimedia\Rdbms\DBTransactionError" not found in /var/www/html/orian-wiki/includes/libs/rdbms/exception/DBTransactionSizeError.php:26 Stack trace: #0 {main} thrown in /var/www/html/orian-wiki/includes/libs/rdbms/exception/DBTransactionSizeError.php on line 26