The job was canceled because "_8_1" failed.

PHPDoc tag @param for parameter $doctrineMetadata with type Doctrine\ORM\Mapping\ClassMetadataInfo is not subtype of native type Doctrine\Persistence\Mapping\ClassMetadata.

Parameter $doctrineMetadata of method JMS\Serializer\Metadata\Driver\DoctrineTypeDriver::setDiscriminator() has invalid type Doctrine\ORM\Mapping\ClassMetadataInfo.

Call to an undefined method Doctrine\Persistence\Mapping\ClassMetadata::isRootEntity().

Access to an undefined property Doctrine\Persistence\Mapping\ClassMetadata::$discriminatorColumn.

Call to method isInheritanceTypeNone() on an unknown class Doctrine\ORM\Mapping\ClassMetadataInfo.

Class Doctrine\ORM\Mapping\ClassMetadataInfo not found.

Instantiated class Doctrine\ORM\Mapping\Driver\AnnotationDriver not found.

Instantiated class Doctrine\ODM\PHPCR\Mapping\Driver\AnnotationDriver not found.

Instantiated class Doctrine\ORM\Mapping\Driver\AnnotationDriver not found.

Call to an undefined method Doctrine\ORM\Configuration::getEntityNamespace().