Fatal error: Uncaught PDOException: SQLSTATE[08004] [1040] Too many connections in /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:40 Stack trace: #0 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(40): PDO->__construct('mysql:host=rds-...', 'powertoolrental...', 'B45ph47wyfoBam1...', Array) #1 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOMySql/Driver.php(25): Doctrine\DBAL\Driver\PDOConnection->__construct('mysql:host=rds-...', 'powertoolrental...', 'B45ph47wyfoBam1...', Array) #2 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(412): Doctrine\DBAL\Driver\PDOMySql\Driver->connect(Array, 'powertoolrental...', 'B45ph47wyfoBam1...', Array) #3 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(1952): Doctrine\DBAL\Connection->connect() #4 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(1290): Doctrine\DBAL\Connection->getWrappedConnection() #5 /var/www/html/vendor/doctrine/orm/lib/Doctrine/ORM in /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php on line 128