Fatal error: Uncaught Doctrine\ORM\Mapping\MappingException: The target-entity Shopware\Models\Attribute\Customer cannot be found in 'Shopware\Models\Customer\Customer#attribute'. in /var/www/elbenwald.de/public_html/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/MappingException.php:762 Stack trace: #0 /var/www/elbenwald.de/public_html/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php(1023): Doctrine\ORM\Mapping\MappingException::invalidTargetEntityClass('Shopware\\Models...', 'Shopware\\Models...', 'attribute') #1 /var/www/elbenwald.de/public_html/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php(272): Doctrine\ORM\Mapping\ClassMetadataInfo->validateAssociations() #2 /var/www/elbenwald.de/public_html/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php(251): Doctrine\ORM\Mapping\ClassMetadataFactory->validateRuntimeMetadata(Object(Doctrine\ORM\Mapping\ClassMetadata), Object(Doctrine\ORM\Mapping\ClassMetadata)) #3 /var/www/elbenwald.de/public_html/vendor/doctrine/common in /var/www/elbenwald.de/public_html/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/MappingException.php on line 762