Fatal error: Uncaught PDOException: SQLSTATE[40001]: Serialization failure: 1213 Deadlock found when trying to get lock; try restarting transaction in /var/www/shopware/engine/Shopware/Components/Session/PdoSessionHandler.php:534 Stack trace: #0 /var/www/shopware/engine/Shopware/Components/Session/PdoSessionHandler.php(534): PDOStatement->execute() #1 /var/www/shopware/engine/Shopware/Components/Session/PdoSessionHandler.php(289): Shopware\Components\Session\PdoSessionHandler->doRead() #2 [internal function]: Shopware\Components\Session\PdoSessionHandler->read() #3 /var/www/shopware/engine/Library/Zend/Session.php(468): session_start() #4 /var/www/shopware/engine/Shopware/Components/DependencyInjection/Bridge/Session.php(106): Zend_Session::start() #5 /var/www/shopware/var/cache/production_202105060633/proxies/ShopwareProduction99036bed408517fcead6216b1b393f68933c0b00ProjectContainer.php(3917): Shopware\Components\DependencyInjection\Bridge\Session->createSession() #6 /var/www/shopware/vendor/symfony/dependency-injection/ in /var/www/shopware/engine/Shopware/Components/Session/PdoSessionHandler.php on line 534