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enum LabelServiceError.Reason (v201809)

Enumeration Description
EMPTY_LABEL_NAME The label name is empty.
LABEL_NAME_TOO_LONG The label name is longer than max allowed size.
DUPLICATE_LABEL_NAME The customer already has an active label with the same name.
RESERVED_LABEL_NAME The label name is reserved by the system.
CANNOT_BE_DELETED The label cannot be deleted
TOO_MANY_LABELS A customer cannot own more than 200 labels.
INVALID_LABEL_ID Label id was not found.
CUSTOMER_CANNOT_CREATE_LABELS This customer cannot create labels. Only manager customers may create labels.
SERVER_CLIENT_VERSION_MISMATCH An unknown enum value has been given for this error reason.