Fatal error: Uncaught PDOException: SQLSTATE[40001]: Serialization failure: 1213 Deadlock found when trying to get lock; try restarting transaction in /var/www/html/engine/Shopware/Components/Session/PdoSessionHandler.php:560 Stack trace: #0 /var/www/html/engine/Shopware/Components/Session/PdoSessionHandler.php(560): PDOStatement->execute() #1 /var/www/html/engine/Shopware/Components/Session/PdoSessionHandler.php(291): Shopware\Components\Session\PdoSessionHandler->doRead('20734437afba9a3...') #2 [internal function]: Shopware\Components\Session\PdoSessionHandler->read('20734437afba9a3...') #3 /var/www/html/engine/Library/Zend/Session.php(481): session_start() #4 /var/www/html/engine/Shopware/Components/DependencyInjection/Bridge/Session.php(105): Zend_Session::start(Array) #5 /var/www/html/var/cache/production_201806131541/proxies/ShopwareProduction47e812c82e0bd3a1a4a6fcac4345d9b733840b20ProjectContainer.php(2643): Shopware\Components\DependencyInjection\Bridge\Session->createSession(Object(ShopwareProduction47e812c82e0bd in /var/www/html/engine/Shopware/Components/Session/PdoSessionHandler.php on line 560