[X] Civic Duty Mk.II War Paint (Well-Worn), {"success":false,"message":"Missing parameters in SellItem request"}
[X] Smalltown Bringdown Mk.II War Paint (Well-Worn), {"success":false,"message":"Missing parameters in SellItem request"}
[X] Civic Duty Mk.II War Paint (Well-Worn), {"success":false,"message":"Missing parameters in SellItem request"}
It seems that it tries 4 times to sell the same item (and always have the same error message).
I couldn't capture anything in Firefox's network monitor (to see what it's trying to request).