hey guys i ran into a lil problem today can someone please help?!?

today i went out and bought my slef a new sim card for my motorola cellular from a store called "Cell Zone" i then went to ROGERS WIRELESS and got them to activate my phone. for some strange reason my sim is not working. i calling the *611 and the computerize voice came up and said " Rogers wireless, we're sorry your home cellular company has not autherize us to provide service please contact your home cellular company for more information' is it that the sim is a fake? becuase i did notice sumthing on the back near the gold pad saying 'UICC' or do u think that rogers screwed up on my acivation becuase they did not add money to my account at the time being SOMEONE PLEASE HELP!!!!!!