Same messages

[semihkr]

Hello.While we moved our forum to bulletin from smf,we run impex 7 times.Now the same message shows 7 times.What can we do to delete same messages?
Thanks for helps
.My forum version vbulettin 4.1.4 problem like this:
http://b1108.hizliresim.com/11/8/29/3206.jpg