i wanted to trade with someone for my last thing on the list, and for soem reason when i click on the item i want to give it wont work and before u know it he gives it to someone else :/
plz fix this bug its really inportant

Had you both chosen to trade and opened the trade window or were you just picking it from your inventory

Were you trying to trade any of the usables? If the other person already has 80, then you can't give them any more.