We're sorry, we are unable to continue with your activation at this time.

Hi guys I connected my Iphone 4 to itunes using a usba cabel while i was overseas and **** of a sudden i got this We're sorry, we are unable to continue with your activation at this time. message show up on Itunes .

Does anybody know how to fix this error or atleast explain what has trigerd this error to come up.

Thank you in advance for your help!