Fatal error: Uncaught PDOException: PDO::__construct(): MySQL server has gone away in /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:27 Stack trace: #0 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(27): PDO->__construct('mysql:host=mysq...', 'uroweb', 'T]]2W82.77F0to6...', Array) #1 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOMySql/Driver.php(22): Doctrine\DBAL\Driver\PDOConnection->__construct('mysql:host=mysq...', 'uroweb', 'T]]2W82.77F0to6...', Array) #2 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(356): Doctrine\DBAL\Driver\PDOMySql\Driver->connect(Array, 'uroweb', 'T]]2W82.77F0to6...', Array) #3 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(420): Doctrine\DBAL\Connection->connect() #4 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(380): Doctrine\DBAL\Connection->getDatabasePlatformVersion() #5 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(324): Doctr in /var/www/html/app/Resources/views/html.html.twig on line 6