The reasons for the target error.
|Requested CustomTargetingKey is not found.
|Number of CustomTargetingKey objects created exceeds the limit allowed for the network.
|CustomTargetingKey with the same CustomTargetingKey.name already exists.
|CustomTargetingKey.name is empty.
|CustomTargetingKey.name is too long.
|CustomTargetingKey.name contains unsupported or reserved characters.
|CustomTargetingKey.name matches one of the reserved custom targeting key names.
|CustomTargetingKey.displayName is too long.
|Key is not active.
|Requested CustomTargetingValue is not found.
WHERE clause in the Statement.query must always
contain CustomTargetingValue.customTargetingKeyId as one of its
columns in a way that it is AND'ed with the rest of the query.
|The number of CustomTargetingValue objects associated with a
CustomTargetingKey exceeds the network limit. This is only
applicable for keys of type
|CustomTargetingValue with the same CustomTargetingValue.name already exists.
|CustomTargetingValue.name is empty.
|CustomTargetingValue.name is too long.
|CustomTargetingValue.name contains unsupported or reserved characters.
|CustomTargetingValue.displayName is too long.
|Only Ad Manager 360 networks can have CustomTargetingValue.matchType other than CustomTargetingValue.MatchType.EXACT.
|You can only create CustomTargetingValue objects with match type CustomTargetingValue.MatchType.EXACT when associating with CustomTargetingKey objects of type CustomTargetingKey.Type.PREDEFINED
|CustomTargetingValue object cannot have match type of CustomTargetingValue.MatchType.SUFFIX when adding a CustomTargetingValue to a line item.
|CustomTargetingValue object cannot have match type of CustomTargetingValue.MatchType.CONTAINS when adding a CustomTargetingValue to targeting expression of a line item.
|Value is not active.
|The CustomTargetingKey does not have any CustomTargetingValue associated with it.
|The CustomTargetingKey has a CustomTargetingValue specified for which the value is not a valid child.
|CustomCriteriaSet.LogicalOperator.OR operation cannot be applied to values with different keys.
|Targeting expression is invalid. This can happen if the sequence of operators is wrong, or a node contains invalid number of children.
|The key has been deleted. CustomCriteria cannot have deleted keys.
|The value has been deleted. CustomCriteria cannot have deleted values.
|The key is set as the video browse-by key, which cannot be used for custom targeting.
|Only active custom-criteria keys are supported in content metadata mapping.
|Only active custom-criteria values are supported in content metadata mapping.
|Cannot delete a custom criteria key that is targeted by an active partner assignment.
|Cannot delete a custom criteria value that is targeted by an active partner assignment.
|AudienceSegment object cannot be targeted.
|Third party AudienceSegment cannot be targeted.
|Inactive AudienceSegment object cannot be targeted.
|Targeted AudienceSegment object is not valid.
|Mapped metadata key-values are deprecated and cannot be targeted.
|Targeted AudienceSegment objects have not been approved.
|The value returned if the actual value is not exposed by the requested API version.