Error in unwrap in stamps(6,6)

Hi,

I encountered another problem in StaMPS4.1b.
Error in uw_stat_costs

I dont know why.
Is there somebody encountered this problem? How to solve it?

Thanks a lot!

Yours,
Dingfeng Duan

Hi Duan,do you have solve this problem? Can you tell me why and how to deal with it?
Thanks!