Hi Everyone,
                         I am getting this error, when i am running modeller. i posted this mail before but i did not get any reply. looking forward to it 



Traceback (most recent call last):
 File "compare_1.py", line 32, in ?
   aln.malign3d()
 File "/usr/lib/modeller9v8/modlib/modeller/alignment.py", line 329, in
malign3d
   edit_file_ext)
_modeller.ModellerError: fit2xyz_296E> Number of equivalent positions < 3:
    1