Fatal error: Uncaught exception 'Doctrine\Common\Persistence\Mapping\MappingException' with message 'Class '' does not exist' in /home/clients/343ebdffbcca48db217f3d4a6611f000/www.easl.eu/vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/MappingException.php:96 Stack trace: #0 /home/clients/343ebdffbcca48db217f3d4a6611f000/www.easl.eu/vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/RuntimeReflectionService.php(41): Doctrine\Common\Persistence\Mapping\MappingException::nonExistingClass(NULL) #1 /home/clients/343ebdffbcca48db217f3d4a6611f000/www.easl.eu/vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/AbstractClassMetadataFactory.php(281): Doctrine\Common\Persistence\Mapping\RuntimeReflectionService->getParentClasses(NULL) #2 /home/clients/343ebdffbcca48db217f3d4a6611f000/www.easl.eu/vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/AbstractClassMetadataFactory.php(311): Doctrine\Common\Persistence\Mapping\AbstractClassMetadataFactory->getParentClasses(NULL) #3 /home/cl in /home/clients/343ebdffbcca48db217f3d4a6611f000/www.easl.eu/vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/MappingException.php on line 96