Fatal error: Uncaught Doctrine\ORM\Mapping\MappingException: No identifier/primary key specified for Entity "Shopware\Models\Attribute\Shop" sub class of "Shopware\Components\Model\ModelEntity". Every Entity must have an identifier/primary key. in /var/www/vhosts/hg-motorsport.de/httpdocs/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/MappingException.php:44 Stack trace: #0 /var/www/vhosts/hg-motorsport.de/httpdocs/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php(1200): Doctrine\ORM\Mapping\MappingException::identifierRequired() #1 /var/www/vhosts/hg-motorsport.de/httpdocs/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php(271): Doctrine\ORM\Mapping\ClassMetadataInfo->validateIdentifier() #2 /var/www/vhosts/hg-motorsport.de/httpdocs/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php(251): Doctrine\ORM\Mapping\ClassMetadataFactory->validateRuntimeMetadata() #3 /var/www/vhosts/hg-motorsport.de/httpdocs/vendor/doctrine/persistence/src/Persistence/Mapping/AbstractClassMeta in /var/www/vhosts/hg-motorsport.de/httpdocs/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/MappingException.php on line 44