Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Exception\ServerException' not found in /home/kingelearn/public_html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Exception/LockWaitTimeoutException.php:10
Stack trace:
#0 {main}
thrown in /home/kingelearn/public_html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Exception/LockWaitTimeoutException.php on line 10