Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away in /var/www/html/engine/Shopware/Components/Session/PdoSessionHandler.php:512 Stack trace: #0 /var/www/html/engine/Shopware/Components/Session/PdoSessionHandler.php(512): PDO->rollBack() #1 /var/www/html/engine/Shopware/Components/Session/PdoSessionHandler.php(298): Shopware\Components\Session\PdoSessionHandler->rollback() #2 /var/www/html/vendor/symfony/http-foundation/Session/Storage/Proxy/SessionHandlerProxy.php(64): Shopware\Components\Session\PdoSessionHandler->read('5cdb27335cace3a...') #3 [internal function]: Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy->read('5cdb27335cace3a...') #4 /var/www/html/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php(192): session_start() #5 /var/www/html/vendor/symfony/http-foundation/Session/Session.php(57): Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->start() #6 /var/www/html/engine/Library/Enlight/Component in /var/www/html/engine/Shopware/Components/Session/PdoSessionHandler.php on line 512