Warning: PDOStatement::execute(): MySQL server has gone away in /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php on line 849

Warning: PDOStatement::execute(): Error reading result set's header in /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php on line 849

Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away in /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php:849 Stack trace: #0 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(849): PDOStatement->execute(Array) #1 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(785): Doctrine\DBAL\Connection->executeQuery('\n SE...', Array, Array) #2 /var/www/html/engine/Shopware/Components/Plugin/Namespace.php(552): Doctrine\DBAL\Connection->fetchAll('\n SE...', Array) #3 /var/www/html/engine/Library/Enlight/Plugin/Namespace/Config.php(133): Shopware_Components_Plugin_Namespace->initStorage() #4 /var/www/html/engine/Library/Enlight/Plugin/Namespace/Config.php(158): Enlight_Plugin_Namespace_Config->Storage() #5 /var/www/html/engine/Shopware/Components/DependencyInjection/Bridge/Plugins.php(59): Enlight_Plugin_Namespace_Config->Subscriber() #6 /var/www/html/var/cache/production_201906060858/proxies/ShopwareProduction in /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/DBALException.php on line 131