This code has already been used error Need for Speed Hot Pursuit

[gavra420]

I bought my copy of Need for Speed Hot Pursuit about 2-3 months ago, and now I decided to hook it up with my origin account.

When I entered the key, I got the error This code has already been used. I havent given my game to any friends, I dont know what could be the problem.

Please help!

Thanks in advice

Uros