| VAST-2.0-root-element |
Root element must be <VAST>
|
VAST Spec |
| VAST-2.0-root-version |
<VAST> must have a version attribute |
VAST Spec |
| VAST-2.0-root-version-value |
VAST version attribute must be a recognised version string |
VAST XSD |
| VAST-2.0-root-has-ad-or-error |
<VAST> must contain at least one <Ad> or <Error>
|
VAST Spec |
| VAST-4.0-wrapper-root-error |
<VAST> root contains both <Ad> and <Error> elements (invalid per VAST 4.0) |
VAST Spec |
| VAST-2.0-ad-has-inline-or-wrapper |
Each <Ad> must contain exactly one <InLine> or <Wrapper>
|
VAST Spec |
| VAST-2.0-inline-adsystem |
<InLine> must contain <AdSystem>
|
VAST Spec |
| VAST-2.0-inline-adtitle |
<InLine> must contain <AdTitle>
|
VAST Spec |
| VAST-2.0-inline-impression |
<InLine> must contain at least one <Impression>
|
VAST Spec |
| VAST-2.0-inline-creatives |
<InLine> must contain <Creatives> with at least one <Creative>
|
VAST Spec |
| VAST-4.1-adservingid-present |
<InLine> must contain <AdServingId> (VAST 4.1+) |
VAST Spec |
| VAST-4.0-universaladid-present |
<Creative> must contain <UniversalAdId> (VAST 4.0+) |
VAST Spec |
| VAST-4.0-universaladid-idregistry |
<UniversalAdId> must have an idRegistry attribute |
VAST Spec |
| VAST-4.0-universaladid-idvalue |
<UniversalAdId> missing required idValue attribute (VAST 4.0) |
VAST Spec |
| VAST-4.1-universaladid-idvalue-removed |
<UniversalAdId> idValue attribute was removed in VAST 4.1 |
VAST Spec |
| VAST-4.1-universaladid-content |
<UniversalAdId> must have text content in VAST 4.1+ |
VAST Spec |
| VAST-2.0-linear-duration |
<Linear> must contain <Duration>
|
VAST Spec |
| VAST-2.0-linear-mediafiles |
<Linear> must contain <MediaFiles> with at least one <MediaFile>
|
VAST Spec |
| VAST-2.0-mediafile-delivery |
<MediaFile> must have a delivery attribute |
VAST Spec |
| VAST-2.0-mediafile-delivery-enum |
<MediaFile> delivery must be "progressive" or "streaming" |
VAST XSD |
| VAST-2.0-mediafile-type |
<MediaFile> must have a type attribute |
VAST Spec |
| VAST-2.0-mediafile-dimensions |
<MediaFile> must have width and height attributes |
VAST Spec |
| VAST-2.0-wrapper-adsystem |
<Wrapper> must contain <AdSystem>
|
VAST Spec |
| VAST-2.0-wrapper-impression |
<Wrapper> must contain at least one <Impression>
|
VAST Spec |
| VAST-2.0-wrapper-vastadtaguri |
<Wrapper> must contain <VASTAdTagURI>
|
VAST Spec |
| VAST-2.0-companion-resource |
<Companion> must contain at least one StaticResource, IFrameResource, or HTMLResource |
VAST Spec |
| VAST-2.0-nonlinear-resource |
InLine <NonLinear> must contain at least one StaticResource, IFrameResource, or HTMLResource |
VAST Spec |
| VAST-2.0-wrapper-depth |
Wrapper chain depth exceeds the configured maximum |
VAST Spec |
| VAST-2.0-ad-sequence |
Mixed use of sequence attribute across <Ad> elements in a pod |
VAST Spec |
| VAST-2.0-duration-format |
<Duration> value does not match HH:MM:SS[.mmm] format |
VAST Spec |
| VAST-2.0-text-only-element |
Text-only element contains a child element |
VAST XSD |
| VAST-2.0-unknown-attribute |
Element has an attribute not defined in the VAST spec |
VAST XSD |
| VAST-2.0-inline-unknown-child |
<InLine> contains an unrecognised child element |
VAST XSD |
| VAST-2.0-wrapper-unknown-child |
<Wrapper> contains an unrecognised child element |
VAST XSD |
| VAST-2.0-creatives-unknown-child |
<Creatives> may only contain <Creative> elements |
VAST XSD |
| VAST-2.0-creative-unknown-child |
<Creative> contains an unrecognised child element |
VAST XSD |
| VAST-2.0-linear-unknown-child |
<Linear> contains an unrecognised child element |
VAST XSD |
| VAST-2.0-trackingevents-unknown-child |
<TrackingEvents> may only contain <Tracking> elements |
VAST XSD |
| VAST-2.0-mediafiles-unknown-child |
<MediaFiles> contains an unrecognised child element |
VAST XSD |
| VAST-2.0-extensions-unknown-child |
<Extensions> may only contain <Extension> elements |
VAST XSD |
| VAST-2.0-videoclicks-unknown-child |
<VideoClicks> contains an unrecognised child element |
VAST XSD |
| VAST-2.0-nonlinearads-unknown-child |
<NonLinearAds> contains an unrecognised child element |
VAST XSD |
| VAST-2.0-nonlinear-unknown-child |
<NonLinear> contains an unrecognised child element |
VAST XSD |
| VAST-2.0-companionads-unknown-child |
<CompanionAds> may only contain <Companion> elements |
VAST XSD |
| VAST-2.0-companion-unknown-child |
<Companion> contains an unrecognised child element |
VAST XSD |
| VAST-2.0-creativeextensions-unknown-child |
<CreativeExtensions> may only contain <CreativeExtension> elements |
VAST XSD |
| VAST-2.0-extension-misplaced-element |
<Extension> contains an element that has a dedicated location in the VAST spec |
VAST Spec |
| VAST-2.0-creative-extension-misplaced-element |
<CreativeExtension> contains an element that has a dedicated location in the VAST spec |
VAST Spec |
| VAST-2.0-mediafile-https |
<MediaFile> URL uses HTTP instead of HTTPS, blocked by mixed-content policy on secure inventory |
Industry Best Practice |
| VAST-2.0-tracking-https |
Tracking or click URL uses HTTP instead of HTTPS, blocked by mixed-content policy, measurement signal lost |
Industry Best Practice |
| VAST-2.0-url-empty |
URL field is empty |
VAST Spec |
| VAST-2.0-url-invalid |
URL field does not appear to be a valid URI |
RFC 3986 |
| VAST-2.0-parse-error |
XML parse error, document may be malformed |
XML |
| VAST-2.0-version-mismatch |
Declared version does not match structural signals |
Inferred |
| VAST-2.0-duplicate-impression |
Duplicate <Impression> URL within the same <Ad>, causes double-counted billing and disputes |
Industry Best Practice |
| VAST-2.0-nonlinear-dimensions |
<NonLinear> missing width or height |
VAST Spec |
| VAST-2.0-companion-dimensions |
<Companion> missing width or height |
VAST Spec |
| VAST-2.0-flash-mediafile |
Flash-based MediaFile type is no longer supported |
Inferred |
| VAST-2.0-linear-tracking-quartiles |
<Linear> has no standard quartile tracking events, impression serves but measurement system receives no signal |
Industry Best Practice |
| VAST-3.0-icons-unknown-child |
<Icons> may only contain <Icon> elements |
VAST XSD |
| VAST-3.0-icon-unknown-child |
<Icon> contains an unrecognised child element |
VAST XSD |
| VAST-3.0-iconclicks-unknown-child |
<IconClicks> contains an unrecognised child element |
VAST XSD |
| VAST-3.0-progress-offset |
<Tracking event="progress"> requires an offset attribute |
VAST Spec |
| VAST-3.0-progress-offset-format |
Tracking progress offset does not match required format |
VAST Spec |
| VAST-3.0-icon-attrs |
Icon missing recommended attributes (program/width/height/position) |
VAST Spec |
| VAST-3.0-icon-program |
<Icon> missing required program attribute |
VAST Spec |
| VAST-3.0-icon-width |
<Icon> missing required width attribute |
VAST Spec |
| VAST-3.0-icon-height |
<Icon> missing required height attribute |
VAST Spec |
| VAST-3.0-icon-xposition |
<Icon> missing required xPosition attribute |
VAST Spec |
| VAST-3.0-icon-yposition |
<Icon> missing required yPosition attribute |
VAST Spec |
| VAST-3.0-icon-resource |
<Icon> must have at least one resource element |
VAST Spec |
| VAST-3.0-skipoffset-format |
Linear skipoffset does not match HH:MM:SS[.mmm] or n% format |
VAST Spec |
| VAST-3.0-skip-event-no-skipoffset |
skip tracking event present but Linear has no skipoffset attribute |
VAST Spec |
| VAST-3.0-minmaxbitrate-pair |
<MediaFile> must have both minBitrate and maxBitrate or neither |
VAST Spec |
| VAST-3.0-bitrate-conflict |
<MediaFile> has both bitrate and minBitrate/maxBitrate |
VAST Spec |
| VAST-3.0-pricing-model |
<Pricing> missing required model attribute |
VAST Spec |
| VAST-3.0-pricing-currency |
<Pricing> missing required currency attribute |
VAST Spec |
| VAST-3.0-pricing-model-case |
<Pricing> model value should be lowercase in VAST 3.0 (cpm/cpc/cpe/cpv) |
VAST XSD |
| VAST-3.0-pricing-currency-format |
<Pricing> currency attribute must be a 3-letter ISO-4217 code |
ISO 4217 |
| VAST-3.0-companion-required-attr |
<CompanionAds> required attribute must be all, any, or none |
VAST XSD |
| VAST-4.0-conditionalad |
conditionalAd attribute is deprecated as of VAST 4.1 |
VAST Spec |
| VAST-4.0-wrapper-clickthrough |
<ClickThrough> inside Wrapper <VideoClicks> was removed in VAST 4.0 (re-allowed in 4.2) |
VAST Spec |
| VAST-4.0-tracking-event-removed |
fullscreen/exitFullscreen tracking events were removed in VAST 4.0 |
VAST Spec |
| VAST-4.0-mediafile-apiframework |
<MediaFile apiFramework> is deprecated in VAST 4.0+, use <InteractiveCreativeFile>
|
VAST Spec |
| VAST-4.0-category-authority |
<Category> missing required authority attribute |
VAST Spec |
| VAST-4.0-companion-clicktracking-id |
<CompanionClickTracking> missing required id attribute |
VAST Spec |
| VAST-4.0-interactive-creative-no-api |
<InteractiveCreativeFile> should have an apiFramework attribute |
VAST Spec |
| VAST-4.1-adservingid-present |
<InLine> must contain <AdServingId> (VAST 4.1+) |
VAST Spec |
| VAST-4.1-ad-serving-id-empty |
<AdServingId> is present but empty |
Inferred |
| VAST-4.1-survey-deprecated |
<Survey> is deprecated as of VAST 4.1 |
VAST Spec |
| VAST-4.1-vpaid-apiframework |
apiFramework="VPAID" is deprecated as of VAST 4.1 |
VAST Spec |
| VAST-4.1-mezzanine-delivery |
<Mezzanine> missing required delivery attribute |
VAST Spec |
| VAST-4.1-mezzanine-type |
<Mezzanine> missing required type attribute |
VAST Spec |
| VAST-4.1-mezzanine-width |
<Mezzanine> missing required width attribute |
VAST Spec |
| VAST-4.1-mezzanine-height |
<Mezzanine> missing required height attribute |
VAST Spec |
| VAST-4.1-mezzanine-recommended |
<MediaFiles> has no <Mezzanine>, ad-stitching servers may reject in CTV/SSAI contexts |
Industry Best Practice |
| VAST-4.1-verification-no-resource |
<Verification> should have JavaScriptResource or ExecutableResource |
VAST Spec |
| VAST-4.1-verification-vendor |
<Verification> is missing required vendor attribute |
VAST Spec |
| VAST-4.1-blockedadcategories-no-authority |
<BlockedAdCategories> should have authority attribute |
VAST Spec |
| VAST-4.1-interactive-creative-type |
<InteractiveCreativeFile> should have a type attribute identifying the MIME type |
IANA Media Types |
| VAST-4.1-js-resource-apiframework |
<JavaScriptResource> is missing required apiFramework attribute |
VAST Spec |
| VAST-4.1-exec-resource-apiframework |
<ExecutableResource> is missing required apiFramework attribute |
VAST Spec |
| VAST-4.1-exec-resource-type |
<ExecutableResource> is missing required type attribute |
VAST Spec |
| VAST-4.1-tracking-event-value |
Tracking event attribute not in the valid set for this VAST version |
VAST XSD |
| VAST-4.1-adtype-value |
Ad adType must be video, audio, or hybrid |
VAST XSD |
| VAST-4.1-companion-renderingmode-value |
Companion renderingMode must be default, end-card, or concurrent |
VAST XSD |
| VAST-4.1-vpaid-in-interactive-context |
VPAID MediaFile alongside InteractiveCreativeFile, VPAID unsupported in CTV, zero fill |
Industry Best Practice |
| VAST-4.2-closedcaptionfiles-unknown-child |
<ClosedCaptionFiles> may only contain <ClosedCaptionFile> elements |
VAST XSD |
| VAST-4.2-icon-fallback-image-width-height |
<IconClickFallbackImage> should have width and height attributes |
VAST Spec |
| VAST-4.3-js-resource-browser-optional |
<JavaScriptResource> should have a browserOptional attribute |
VAST Spec |
| SIMID-1.0-simid-type-required |
<InteractiveCreativeFile apiFramework="SIMID"> must have type="text/html" |
SIMID Spec |
| SIMID-1.0-simid-url-empty |
<InteractiveCreativeFile apiFramework="SIMID"> must contain a non-empty URL |
SIMID Spec |
| SIMID-1.0-simid-url-https |
<InteractiveCreativeFile apiFramework="SIMID"> URL must use HTTPS |
SIMID Spec |
| SIMID-1.0-simid-variable-duration-value |
<InteractiveCreativeFile> variableDuration attribute must be "true" when present |
SIMID Spec |
| SIMID-1.0-simid-mediafile-required |
Linear SIMID ad must include a video/audio <MediaFile> alongside the interactive creative |
SIMID Spec |
| SIMID-1.1-nonlinear-simid-no-iframe |
<NonLinear apiFramework="SIMID"> must contain an <IFrameResource>
|
SIMID Spec |
| SIMID-1.1-iframe-simid-type-required |
<IFrameResource> in SIMID <NonLinear> should have type="text/html" |
SIMID Spec |
| SIMID-1.1-iframe-simid-url-empty |
<IFrameResource> in SIMID <NonLinear> must contain a non-empty URL |
SIMID Spec |
| SIMID-1.1-iframe-simid-url-https |
<IFrameResource> in SIMID <NonLinear> URL must use HTTPS |
SIMID Spec |
