Originally Posted by pspiegel
CDMA units do not have IMEI numbers, they have ESNs.. I think if you just add a couple 0s to your ESN it will work, or just make something up as someone already said.
Thanks for the info. I kept checking the number in my BB, just to make sure I wasn't totally losing my mind!
Even though I was able to register making up a number, it is good to know there was a reason why the number didn't work.