VAST-4.1-ad-serving-id-empty

Q: How do I fix VAST-4.1-ad-serving-id-empty?

Populate ` ` with a unique identifier, such as a UUID generated fresh for every ad response.

<AdServingId> is present but empty

WarningCTVIAB VAST 4.1 §2.3VAST 4.1, 4.2, and 4.3

`<AdServingId>` is present but contains no text content. An empty serving ID defeats its purpose (event deduplication). Populate it with a unique identifier per ad response.

How to fix

Populate <AdServingId> with a unique identifier, such as a UUID generated fresh for every ad response.

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Other CTV rules

VAST-4.1-mezzanine-recommended<MediaFiles> has no <Mezzanine> — may be rejected in CTV/SSAI contexts VAST-4.1-vpaid-in-interactive-contextVPAID MediaFile alongside InteractiveCreativeFile — VPAID unsupported in CTV