Fatal error: Uncaught PDOException: SQLSTATE[40001]: Serialization failure: 1213 Deadlock found when trying to get lock; try restarting transaction in /www/htdocs/w019c9d3/Shopware-Sysgrade/shopware_ballco_shop_live/engine/Shopware/Components/Session/PdoSessionHandler.php:534 Stack trace: #0 /www/htdocs/w019c9d3/Shopware-Sysgrade/shopware_ballco_shop_live/engine/Shopware/Components/Session/PdoSessionHandler.php(534): PDOStatement->execute() #1 /www/htdocs/w019c9d3/Shopware-Sysgrade/shopware_ballco_shop_live/engine/Shopware/Components/Session/PdoSessionHandler.php(289): Shopware\Components\Session\PdoSessionHandler->doRead('2eaec9a7ffc6fa3...') #2 [internal function]: Shopware\Components\Session\PdoSessionHandler->read('2eaec9a7ffc6fa3...') #3 /www/htdocs/w019c9d3/Shopware-Sysgrade/shopware_ballco_shop_live/engine/Library/Zend/Session.php(468): session_start() #4 /www/htdocs/w019c9d3/Shopware-Sysgrade/shopware_ballco_shop_live/engine/Shopware/Components/DependencyInjection/Bridge/Session.php(106): Zend_Session::start(Array in /www/htdocs/w019c9d3/Shopware-Sysgrade/shopware_ballco_shop_live/engine/Shopware/Components/Session/PdoSessionHandler.php on line 534