DAAST-1.0-error-url-empty
DAAST-1.0-error-url-empty
DAAST `<Error>` element is present but contains no URI
WarningDAASTIAB DAAST 1.0 §3.1.3DAAST 1.0 and 1.1 (all DAAST documents)
Short answer
A DAAST <Error> element with no URI cannot be fired by the player, making error diagnostics impossible. Either populate it with a valid tracking URL or remove the empty element.
Why this matters in production
This rule is a strong risk signal. Tags with this issue often still parse, but they become brittle across SDKs, SSAI resolvers, and CTV environments. DAAST rules validate the structural and semantic requirements specific to digital audio ad serving. Audio-specific fields like Category, AdInteractions, and audio MediaFile attributes are required by the spec and are absent from standard VAST validation. Affected scope: DAAST 1.0 and 1.1 (all DAAST documents).
Check your VAST tag for
DAAST-1.0-error-url-empty and other issues instantly.Open the VAST tag validator →Other DAAST rules
DAAST-1.0-root-versionRoot `<DAAST>` element must have a version attributeDAAST-1.0-root-version-value`<DAAST>` version attribute must be a recognised version string (`1.0` or `1.1`)DAAST-1.0-root-has-ad-or-error`<DAAST>` must contain at least one `<Ad>` or `<Error>`DAAST-1.0-ad-has-inline-or-wrapperEach DAAST `<Ad>` must contain exactly one `<InLine>` or `<Wrapper>`DAAST-1.0-inline-adtitleDAAST `<InLine>` must contain `<AdTitle>`DAAST-1.0-inline-impressionDAAST `<InLine>` must contain at least one `<Impression>`DAAST-1.0-inline-categoryDAAST `<InLine>` must contain `<Category>` (required in DAAST, unlike VAST)DAAST-1.0-inline-creativesDAAST `<InLine>` must contain `<Creatives>` with at least one `<Creative>`