Not an error. Use the extra card instead of the one that's preinstalled.
If you have a micro Sim already you DO NOT need to have the new Sim card activated, just pop out the one that came with it and throw the one you already have in it, its as simple as that.
Sent from my Xoom using Tapatalk 2
Motorola Droid 09-11/ Droid Charge 11-2/12/ Galaxy Nexus 12-?