How do I fix the VPAID error "VPAID-type-invalid"?

Set type="application/javascript" on VPAID elements. Note that migrating to SIMID requires changing this to type="text/html" on .

VPAID-type-invalid

Q: What does "VPAID type must be application/javascript or application/x-javascript" mean in a VAST tag?

A element with apiFramework="VPAID" has an unexpected type attribute. VPAID 2.0 requires the type to be application/javascript (or the older variant application/x-javascript). Values like text/javascript, video/mp4, or an empty string are not valid for VPAID and will cause the ad unit to fail to initialise in all players.

VPAID <MediaFile> type must be application/javascript or application/x-javascript

ErrorAttributesIAB VPAID 2.0 §3.1

A element with has an unexpected attribute. VPAID 2.0 requires the to be (or the older variant ). Values like , , or an empty string are not valid for VPAID and will cause the ad unit to fail to initialise in all players.

How to fix

Set type="application/javascript" on VPAID <MediaFile> elements. Note that migrating to SIMID requires changing this to type="text/html" on <InteractiveCreativeFile>.

Invalid

<MediaFile delivery="progressive" type="text/javascript"
           apiFramework="VPAID" width="1280" height="720">
  <![CDATA[https://example.com/vpaid.js]]>
</MediaFile>

Valid

<MediaFile delivery="progressive" type="application/javascript"
           apiFramework="VPAID" width="1280" height="720">
  <![CDATA[https://example.com/vpaid.js]]>
</MediaFile>

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Other Attributes rules

VPAID-apiframework-casingapiFramework value is not the canonical "VPAID" (wrong case)VPAID-width-height-missingVPAID <MediaFile> missing width or height attribute

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