Warning: PDO::__construct(): php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /home/uni-bis/ftp/uni-bis.com/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php on line 40

Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution' in /home/uni-bis/ftp/uni-bis.com/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:40 Stack trace: #0 /home/uni-bis/ftp/uni-bis.com/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(40): PDO->__construct('mysql:host=sql....', 'uni-bis_1', 'dE4#I#e$3242', Array) #1 /home/uni-bis/ftp/uni-bis.com/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOMySql/Driver.php(41): Doctrine\DBAL\Driver\PDOConnection->__construct('mysql:host=sql....', 'uni-bis_1', 'dE4#I#e$3242', Array) #2 /home/uni-bis/ftp/uni-bis.com/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(356): Doctrine\DBAL\Driver\PDOMySql\Driver->connect(Array, 'uni-bis_1', 'dE4#I#e$3242', Array) #3 /home/uni-bis/ftp/uni-bis.com/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(680): Doctrine\DBAL\Connection->connect() #4 /home/uni-bis/ftp/uni-bis.com/vendor/doctrine/orm/lib/D in /home/uni-bis/ftp/uni-bis.com/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php on line 40