Fatal error: Uncaught PDOException: SQLSTATE[40001]: Serialization failure: 1213 Deadlock found when trying to get lock; try restarting transaction in /srv/springer/htdocs_sw/engine/Shopware/Components/Session/PdoSessionHandler.php:536 Stack trace: #0 /srv/springer/htdocs_sw/engine/Shopware/Components/Session/PdoSessionHandler.php(536): PDOStatement->execute() #1 /srv/springer/htdocs_sw/engine/Shopware/Components/Session/PdoSessionHandler.php(291): Shopware\Components\Session\PdoSessionHandler->doRead('7d0c89456cd3380...') #2 [internal function]: Shopware\Components\Session\PdoSessionHandler->read('7d0c89456cd3380...') #3 /srv/springer/htdocs_sw/engine/Library/Zend/Session.php(489): session_start() #4 /srv/springer/htdocs_sw/custom/plugins/MdcRouter/Session.php(78): Zend_Session::start(Array) #5 /srv/springer/htdocs_sw/var/cache/production_201901211535/proxies/ShopwareProduction5d14e3ce7d4dfe12cde1a6039fa2b4ef405ad7abProjectContainer.php(2057): MdcRouter\Session->createSession(Object(ShopwareProduction5d14e3ce7d4dfe12cde1 in /srv/springer/htdocs_sw/engine/Shopware/Components/Session/PdoSessionHandler.php on line 536