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enum LabelError.Reason (v202505)

AI-generated Key Takeaways

LabelError.Reason provides reasons for errors related to labels within the CreativeWrapperService.
Error reasons include INVALID_PREFIX for user-created labels starting with a reserved prefix, NAME_INVALID_CHARS for invalid characters in the label name, and UNKNOWN for unexposed values in the requested API version.
The enumeration values and their descriptions help understand specific label validation issues.

Service

CreativeWrapperService LabelService

Dependencies

LabelError

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LabelError.Reason

The reasons for the target error.

Namespace: https://www.google.com/apis/ads/publisher/v202505

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

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Last updated 2025-08-06 UTC.