VAST Error Code Troubleshooting Matrix

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VAST Error Code Troubleshooting Matrix
Error Code Fatal? Definition Possible Causes
100 Yes XML parsing error. VAST supplied in adm is not a valid XML document. URL supplied in nurl does not resolve to a valid XML document. Nurl only: Server did not respond with VAST, or at all when player called the nurl. Perhaps a CORS issue
101 Yes VAST schema validation error The VAST validates as XML, but does not validate per the VAST schema (i.e. there are missing mandatory elements or attributes, or combinations of elements/attributes that are not permissible). Some possible reasons for invalidity: InLine and Wrapper both present. AdTagURI missing in Wrapper element. Duration missing. Missing Ad node or MediaFile node. Offset attribute on Progress event is missing or not a valid value.