I am having a heck of a time trying to register Izzy online. Whenever I put her code in, it says if I continue, she will have limited registration

I called the breeder, and she says, no, thats not the case at all, and that no one else has had that problem. I dont know what I am doing wrong. It says to enter a code from the limited box, and theres no code, but the box is not darkened or anything either. I need help!