Fatal error: Uncaught PDOException: SQLSTATE[40001]: Serialization failure: 1213 Deadlock found when trying to get lock; try restarting transaction in /var/www/web127/htdocs/engine/Shopware/Components/Session/PdoSessionHandler.php:541 Stack trace: #0 /var/www/web127/htdocs/engine/Shopware/Components/Session/PdoSessionHandler.php(541): PDOStatement->execute() #1 /var/www/web127/htdocs/engine/Shopware/Components/Session/PdoSessionHandler.php(296): Shopware\Components\Session\PdoSessionHandler->doRead('9njvjosm0rr0e3j...') #2 /var/www/web127/htdocs/vendor/symfony/http-foundation/Session/Storage/Proxy/SessionHandlerProxy.php(64): Shopware\Components\Session\PdoSessionHandler->read('9njvjosm0rr0e3j...') #3 [internal function]: Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy->read('9njvjosm0rr0e3j...') #4 /var/www/web127/htdocs/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php(192): session_start() #5 /var/www/web127/htdocs/vendor/symfony/http-foundation/Session/Session.php(57): in /var/www/web127/htdocs/engine/Shopware/Components/Session/PdoSessionHandler.php on line 541