SIMID-1.0-simid-url-empty
<InteractiveCreativeFile apiFramework="SIMID"> must contain a non-empty URL
The element's text content must be a URL that returns an HTML document (SIMID 1.0 §3.1: "The text within this element must be a url which returns an HTML document"). An empty or whitespace-only value gives the player no URL to load — the interactive layer will be silently absent.
The <InteractiveCreativeFile> element's text content must be a URL that returns an HTML document (SIMID 1.0 §3.1: "The text within this element must be a url which returns an HTML document"). An empty or whitespace-only value gives the player no URL to load — the interactive layer will be silently absent.
How to fix
Add the HTTPS URL of your SIMID creative HTML document inside the <InteractiveCreativeFile> element, wrapped in a CDATA section.
Invalid
<InteractiveCreativeFile type="text/html" apiFramework="SIMID">
<![CDATA[ ]]>
</InteractiveCreativeFile>Valid
<InteractiveCreativeFile type="text/html" apiFramework="SIMID">
<![CDATA[https://example.com/creative.html]]>
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