Is because you send too much friend requests to people that doens't even related to you or you tell them why and how you know them. You will be blocked for 1 day, 3 or even 1week. I did get that too
I was blocked in sending friend request in facebook how did i open it?
May sme1 has spam your request..
Don't send req as such if you don't knw the person..
Its against teh rules of fb
Don't send req as such if you don't knw the person..
Its against teh rules of fb