Fatal error: Uncaught PDOException: PDO::__construct(): MySQL server has gone away in /home/users/m/music-board/domains/docs-print.ru/app/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:43 Stack trace: #0 /home/users/m/music-board/domains/docs-print.ru/app/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(43): PDO->__construct('mysql:host=loca...', 'music-board', 'Dd79!xXhyWK', Array) #1 /home/users/m/music-board/domains/docs-print.ru/app/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOMySql/Driver.php(44): Doctrine\DBAL\Driver\PDOConnection->__construct('mysql:host=loca...', 'music-board', 'Dd79!xXhyWK', Array) #2 /home/users/m/music-board/domains/docs-print.ru/app/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(360): Doctrine\DBAL\Driver\PDOMySql\Driver->connect(Array, 'music-board', 'Dd79!xXhyWK', Array) #3 /home/users/m/music-board/domains/docs-print.ru/app/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(833): Doctrine\DBAL\Connection->connect() #4 /home/users/m/music-board/d in /home/users/m/music-board/domains/docs-print.ru/app/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php on line 115