Fatal error: Uncaught PDOException: SQLSTATE[HY000] [1040] Too many connections in /opt/app-root/src/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:43 Stack trace: #0 /opt/app-root/src/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(43): PDO->__construct('mysql:host=mysq...', 'userUXF', 'JgSc6cAel6a3kVy...', Array) #1 /opt/app-root/src/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOMySql/Driver.php(41): Doctrine\DBAL\Driver\PDOConnection->__construct('mysql:host=mysq...', 'userUXF', 'JgSc6cAel6a3kVy...', Array) #2 /opt/app-root/src/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(360): Doctrine\DBAL\Driver\PDOMySql\Driver->connect(Array, 'userUXF', 'JgSc6cAel6a3kVy...', Array) #3 /opt/app-root/src/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(833): Doctrine\DBAL\Connection->connect() #4 /opt/app-root/src/vendor/doctrine/orm/lib/Doctrine/ORM/Persisters/Entity/BasicEntityPersister.php(884): Doctrine\DBAL\Connection->executeQuery('SELECT t0.id AS...', Array, Array) #5 /opt/app- in /opt/app-root/src/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php on line 115