Log: http://dispenser.tf/shop_log/6537/?show_all=true
Trade: http://dispenser.tf/trade/37962/

When I Make trade with this bot, the error comes out. When I want to trade with this bot again but the items I want in this trade disappeared.
My 2 items (Sydney Sleeper and Tribalman's Shiv) still in my inventory.
I don't know will the seller missing these two items but I really want to buy it.