[Game disconected in a trade and lost my stuff]

 hello a boy just cheated me, the issue is that I was exchanging a Catchmoon riven for 5 prime sets but the game disconnected me and I lost the riven and did not get the sets, is there anything that can be done? I wait your answer

[Objects just desapair]

I dind'nt have that problem never

But now i have it, i was creating the Warframe "ivara" and i waited the tree days for claiming her but when i checker the furnace it was empty my ivara wasnt there i checket the inventary and also she wasnt there so i need help to know how can i get her back

Thanks