Dear Sir,
I am J Johnson Paul, I have recently used your software for my study and research purposes after usage of your software in the area of peptide build structure area I have got an error like

  MidasError: Dunbrack rotamer library does not support ASX

  File "C:\Program Files\Chimera 1.17.1\share\Rotamers\__init__.py", line 680, in useBestRotamers
    raise MidasError("%s rotamer library does not support %s" %(lib, rType))
This type of error is soon to me,So please kindly reply to my mail to solve the problem as soon as possible
With Regards,
J Johnson Paul.