Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[40001]: Serialization failure: 1213 Deadlock found when trying to get lock; try restarting transaction' in /var/www/html/shopware/engine/Shopware/Components/Session/PdoSessionHandler.php:536 Stack trace: #0 /var/www/html/shopware/engine/Shopware/Components/Session/PdoSessionHandler.php(536): PDOStatement->execute() #1 /var/www/html/shopware/engine/Shopware/Components/Session/PdoSessionHandler.php(291): Shopware\Components\Session\PdoSessionHandler->doRead('84c119ec358950c...') #2 [internal function]: Shopware\Components\Session\PdoSessionHandler->read('84c119ec358950c...') #3 /var/www/html/shopware/engine/Library/Zend/Session.php(481): session_start() #4 /var/www/html/shopware/engine/Shopware/Components/DependencyInjection/Bridge/Session.php(105): Zend_Session::start(Array) #5 /var/www/html/shopware/var/cache/production_201709190948/proxies/ShopwareProduction6966cb3988eb516d6a449e96f42896ec22665ca2ProjectContainer.php(1232): Shopware\Components\Dependen in /var/www/html/shopware/engine/Shopware/Components/Session/PdoSessionHandler.php on line 536