Xandr RTB error 207: Creative Filtered - Not Secure

XandrExpanded via ${AUCTION_LOSS} in lurl

What Xandr says

The creative was not secure.

Xandr reports this integer in the ${AUCTION_LOSS} macro on the bid's lurl. A search for Xandr RTB error 207 is this code.

What was checked

Xandr uses this OpenRTB number. The exchange looked for an insecure URL in a creative served to an impression with imp.secure set to 1.

What to change

Serve markup and trackers on https.

The same number in OpenRTB

OpenRTB loss reason 207 is Creative Filtered - Not Secure. Xandr publishes this integer with that meaning.

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