Fatal error: Uncaught PDOException: SQLSTATE[08004] [1040] Too many connections in /app/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:38 Stack trace: #0 /app/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(38): PDO->__construct('mysql:host=port...', 'admin', 'AEHZ2gU3ptNweW2...', Array) #1 /app/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOMySql/Driver.php(24): Doctrine\DBAL\Driver\PDOConnection->__construct('mysql:host=port...', 'admin', 'AEHZ2gU3ptNweW2...', Array) #2 /app/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(362): Doctrine\DBAL\Driver\PDOMySql\Driver->connect(Array, 'admin', 'AEHZ2gU3ptNweW2...', Array) #3 /app/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(427): Doctrine\DBAL\Connection->connect() #4 /app/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(387): Doctrine\DBAL\Connection->getDatabasePlatformVersion() #5 /app/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(330): Doctrine\DBAL\Connection->detectDatabasePlatform() #6 /app/vendor/doctrine in /app/vendor/doctrine/doctrine-bundle/ConnectionFactory.php on line 79