Looks like there is a problem with your offer url on
You should add s1 tag at the end of your offer url. Also you can set it on affiliate network's platform by typing something to s1,s2,s3 field at customize tracking.
try to set your url like this on
be careful that if you are using s1 on offer url, you must use %subid1% or #s1# on your postback url.
Yes, the offer URL isnt structured properly, I noticed you have the "append clickid" checked, but I always add it manually anyways.
Add this at the end of the offer url : &s1={clickid} - it can also be s2 or some other parameter, maybe you will have to replace "&" with "?" you need to ask the aff network about it.
I think it should be enough to just ad "&s1=" and
I dont use peerfly so dont know what exactly they use.