Fatal error: Uncaught PDOException: SQLSTATE[40001]: Serialization failure: 1213 Deadlock found when trying to get lock; try restarting transaction in /var/www/mybuchdruck/engine/Shopware/Components/Session/PdoSessionHandler.php:536 Stack trace: #0 /var/www/mybuchdruck/engine/Shopware/Components/Session/PdoSessionHandler.php(536): PDOStatement->execute() #1 /var/www/mybuchdruck/engine/Shopware/Components/Session/PdoSessionHandler.php(291): Shopware\Components\Session\PdoSessionHandler->doRead() #2 [internal function]: Shopware\Components\Session\PdoSessionHandler->read() #3 /var/www/mybuchdruck/engine/Library/Zend/Session.php(468): session_start() #4 /var/www/mybuchdruck/engine/Shopware/Components/DependencyInjection/Bridge/Session.php(99): Zend_Session::start() #5 /var/www/mybuchdruck/var/cache/production_201906060858/proxies/ShopwareProductiona04b5854538e6b3d2e24cc7d2e6878a27cf8443bProjectContainer.php(4009): Shopware\Components\DependencyInjection\Bridge\Session->createSession() #6 /var/www/mybuchdruck/vendor/symfony/d in /var/www/mybuchdruck/engine/Shopware/Components/Session/PdoSessionHandler.php on line 536