IS THERE ANY COMMUNITY MANAGERS HERE ????

It would be nice to know what your problem is before I tag them.

Perhaps the issue is related to this thread?
 

http://answers.ea.com/t5/Origin/Mass-Effect-3-This-Code-Has-Already-been-Used/m-p/5345142#M203480

If it's for something else with some more info hopefully you can get some good info.