A guy cant trade with my both, why?

"Hi, tried trading with your bot, but it keeps telling me "Items in your backpack cannot satisfy the wish list specified." (?)"

http://i.imgur.com/i9zFhIJ.jpg

His Account:
http://steamcommunity.com/id/MrTabasco

My bot and my trade:

http://dispenser.tf/trade/146460/
http://dispenser.tf/gorgerous

Temporary API problem most likely (For CS:GO it could be down for over 24 hours straight so it may not be considered temporary).