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/engine/Shopware/Components/Session/PdoSessionHandler.php:536 Stack trace: #0 /var/www/html/engine/Shopware/Components/Session/PdoSessionHandler.php(536): PDOStatement->execute() #1 /var/www/html/engine/Shopware/Components/Session/PdoSessionHandler.php(291): Shopware\Components\Session\PdoSessionHandler->doRead('74ca13265a82dee...') #2 [internal function]: Shopware\Components\Session\PdoSessionHandler->read('74ca13265a82dee...') #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_201801171346/proxies/ShopwareProductionfe4d7c68c1a25484b561cfeea9b9b6d4f4d28596ProjectContainer.php(1211): Shopware\Components\DependencyInjection\Bridge\Session->createSession(Object(Shopw in /var/www/html/engine/Shopware/Components/Session/PdoSessionHandler.php on line 536