Unity RTB error 1207: Creative filtered (approval denied - user security)

Unity ExchangeExpanded via ${AUCTION_LOSS} in lurl

What Unity Exchange says

The creative was disapproved by Unity's exchange review due to a user security-related issue.

Unity Exchange reports this integer in the ${AUCTION_LOSS} macro on the bid's lurl. A search for Unity RTB error 1207 is this code.

What was checked

Unity's public table gives 1200 through 1208 one review reason: user security. This page is 1207. Unity does not publish a separate cause for each integer in that run. The creative on the bid failed that review.

What to change

Unity's review rejected the creative for a user-security issue. Replace the creative and resubmit it. Sending the same creative returns this code again.

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