Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[40001]: Serialization failure: 1213 Deadlock found when trying to get lock; try restarting transaction' in /www/htdocs/w0175757/www/production-environment/2017-09-14/engine/Shopware/Components/Session/PdoSessionHandler.php:560 Stack trace: #0 /www/htdocs/w0175757/www/production-environment/2017-09-14/engine/Shopware/Components/Session/PdoSessionHandler.php(560): PDOStatement->execute() #1 /www/htdocs/w0175757/www/production-environment/2017-09-14/engine/Shopware/Components/Session/PdoSessionHandler.php(291): Shopware\Components\Session\PdoSessionHandler->doRead('262463c071e8f30...') #2 [internal function]: Shopware\Components\Session\PdoSessionHandler->read('262463c071e8f30...') #3 /www/htdocs/w0175757/www/production-environment/2017-09-14/engine/Library/Zend/Session.php(481): session_start() #4 /www/htdocs/w0175757/www/production-environment/2017-09-14/engine/Shopware/Components/DependencyInjection/Bridge/Session.php(105): Zend_Session::start(Array) #5 in /www/htdocs/w0175757/www/production-environment/2017-09-14/engine/Shopware/Components/Session/PdoSessionHandler.php on line 560