Fatal error: Uncaught exception 'InvalidArgumentException' with message 'Entity has to be managed or scheduled for removal for single computation Shopware\Models\Tracking\Banner@0000000007080d8c0000000064f2708b' in /var/www/vhosts/trendoptiker.de/httpdocs/trendoptiker.de/2020/vendor/doctrine/orm/lib/Doctrine/ORM/UnitOfWork.php:427 Stack trace: #0 /var/www/vhosts/trendoptiker.de/httpdocs/trendoptiker.de/2020/vendor/doctrine/orm/lib/Doctrine/ORM/UnitOfWork.php(299): Doctrine\ORM\UnitOfWork->computeSingleEntityChangeSet(Object(Shopware\Models\Tracking\Banner)) #1 /var/www/vhosts/trendoptiker.de/httpdocs/trendoptiker.de/2020/vendor/doctrine/orm/lib/Doctrine/ORM/EntityManager.php(389): Doctrine\ORM\UnitOfWork->commit(Object(Shopware\Models\Tracking\Banner)) #2 /var/www/vhosts/trendoptiker.de/httpdocs/trendoptiker.de/2020/engine/Shopware/Controllers/Frontend/Tracking.php(74): Doctrine\ORM\EntityManager->flush(Object(Shopware\Models\Tracking\Banner)) #3 /var/www/vhosts/trendoptiker.de/httpdocs/trendoptiker.de/2020/engine/Library in /var/www/vhosts/trendoptiker.de/httpdocs/trendoptiker.de/2020/vendor/doctrine/orm/lib/Doctrine/ORM/UnitOfWork.php on line 427
503 Service Unavailable