I choose to make friends in facebook is a marketing error message sent is required?

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while my friends with only 5 people, it still says can not send this request: "Do you know this person? To stop using Facebook for improper purposes, this requirement can not be sent. To learn more, please visit our Help Center. If you think you see this message is in error, you can report the problem. "I do not know what the reason was blocked and for how long, people help me or guide me how to fix it, thank very much
So while my account is locked, I can click on the link you when I want to check my account had been unlocked yet