Fatal error: Uncaught PDOException: SQLSTATE[HY000] [1130] Host 'main-sitehub-slave' is not allowed to connect to this MariaDB server in /code/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:27 Stack trace: #0 /code/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(27): PDO->__construct('mysql:host=10.5...', 'mshreplication', 'VxJTXwxw7KjKEwk...', Array) #1 /code/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOMySql/Driver.php(25): Doctrine\DBAL\Driver\PDOConnection->__construct('mysql:host=10.5...', 'mshreplication', 'VxJTXwxw7KjKEwk...', Array) #2 /code/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(356): Doctrine\DBAL\Driver\PDOMySql\Driver->connect(Array, 'mshreplication', 'VxJTXwxw7KjKEwk...', Array) #3 /code/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(889): Doctrine\DBAL\Connection->connect() #4 /code/vendor/doctrine/orm/lib/Doctrine/ORM/Query/Exec/SingleSelectExecutor.php(50): Doctrine\DBAL\Connection->executeQuery('SELECT l0_.id A...', Array, Array, NULL) #5 /code/ve in /code/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php on line 106