The form not working a few hours

Dear Authorized 

Our form not working for a few hours. I coudnt figure out about the problem. It was working until afternoon. Please help urgently.

http://www.camikokusu.net/cami-kokusu-siparis.html

You have been auto suspended because of the unusual term in your form which triggers our system to auto suspend your account. But I have just reactivated your account, so pease check again.