mothur

Metastats: Missing share info for sets

I tried to run metastat on 18 samples, and my design file contains 2 sets.
I received an error message for each comparison: Missing shared info for Y or X. Skipping comparison.

I can’t figure out what is the problem. Thanks for your help!

the second column of my shared file

Ti1
Ti3
Ti4
Ti5
Ti6
Ti7
Ti8
Ti9
Ti10
Mel1
Mel2
Mel3
Mel4
Mel5
Mel6
Mel7
Mel8
Mel9

the content of my design file

group set
Ti1 Ti
Ti3 Ti
Ti4 Ti
Ti5 Ti
Ti6 Ti
Ti7 Ti
Ti8 Ti
Ti9 Ti
Ti10 Ti
Mel1 MT
Mel2 MT
Mel3 MT
Mel4 MT
Mel5 MT
Mel6 MT
Mel7 MT
Mel8 MT
Mel9 MT

Could you send your shared, design and log files to mothur.bugs@gmail.com?