Fatal error: Uncaught PDOException: SQLSTATE[40001]: Serialization failure: 1213 Deadlock found when trying to get lock; try restarting transaction in /usr/www/users/modell/shopware_backup/engine/Shopware/Components/Session/PdoSessionHandler.php:541 Stack trace: #0 /usr/www/users/modell/shopware_backup/engine/Shopware/Components/Session/PdoSessionHandler.php(541): PDOStatement->execute() #1 /usr/www/users/modell/shopware_backup/engine/Shopware/Components/Session/PdoSessionHandler.php(296): Shopware\Components\Session\PdoSessionHandler->doRead('827ce117ff5103c...') #2 /usr/www/users/modell/shopware_backup/vendor/symfony/http-foundation/Session/Storage/Proxy/SessionHandlerProxy.php(62): Shopware\Components\Session\PdoSessionHandler->read('827ce117ff5103c...') #3 [internal function]: Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy->read('827ce117ff5103c...') #4 /usr/www/users/modell/shopware_backup/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php(162): session_start() #5 /usr in /usr/www/users/modell/shopware_backup/engine/Shopware/Components/Session/PdoSessionHandler.php on line 541