Equativ RTB error 1004: SKAdNetworkEmptyResponse
What Equativ says
The bid set ext.skadn, and ext.skadn.network was empty or null.
Equativ reports this integer in the ${AUCTION_LOSS} macro on the bid's lurl. A search for Equativ RTB error 1004 is this code.
What to change
Fill ext.skadn.network with an ID from the request, or omit the object.