Note: Version v201905 will be sunset soon. All users of those versions must migrate to a newer one.

enum LabelError.Reason (v201908)

The reasons for the target error.

Enumeration Description
INVALID_PREFIX A user created label cannot begin with the Google internal system label prefix.
NAME_INVALID_CHARS contains unsupported or reserved characters.
UNKNOWN The value returned if the actual value is not exposed by the requested API version.