Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] Connection refused in /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:43 Stack trace: #0 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(43): PDO->__construct('mysql:host=127....', 'root', '6x7q7bbV-9jMXZO...', Array) #1 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOMySql/Driver.php(44): Doctrine\DBAL\Driver\PDOConnection->__construct('mysql:host=127....', 'root', '6x7q7bbV-9jMXZO...', Array) #2 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(372): Doctrine\DBAL\Driver\PDOMySql\Driver->connect(Array, 'root', '6x7q7bbV-9jMXZO...', Array) #3 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(893): Doctrine\DBAL\Connection->connect() #4 /var/www/html/vendor/doctrine/orm/lib/Doctrine/ORM/Persisters/Entity/BasicEntityPersister.php(884): Doctrine\DBAL\Connection->executeQuery('SELECT t0.`key`...', Array, Array) #5 /var/www/html/vendor/doctrine/orm/lib/Doctri in /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php on line 108