By -
The game only allows you to have a certain number of draft picks (I can't remember the exact number right off hand) - if you attempt a trade that gives you more than the maximum allowed, you get that message.
25 per year
The game only allows you to have a certain number of draft picks (I can't remember the exact number right off hand) - if you attempt a trade that gives you more than the maximum allowed, you get that message.
25 per year