error reading numbers of excluded regions

Dear all, I'm a newcommer in this field and studying to refine using the fullprof recently. After i refine with an excluded region, the winplotr give the message (error reading numbers of excluded regions). I don't know what is wrong with my refinement? And how to solve it? Many thanks in ad

error reading numbers of excluded regions

Dear all, I'm a newcommer in this field and studying to refine using the fullprof recently. After i refine with an excluded region, the winplotr give the message (error reading numbers of excluded regions). I don't know what is wrong with my refinement? And how to solve it? Many thanks in ad