how to add ppl?

how the heck do you add people now.. I just imported an email list of 1000 users and 9 accepted.. every time I try to add someone I get Do you know this user personally? To prevent misuse of Facebook, this request can't be sent. To learn more, please visit the Help Center.

What do you guys do?

anyone?

I need help with this too. I searched an email address and got the same thing.