[gmx-users] (no subject)

Justin A. Lemkul jalemkul at vt.edu
Sat Nov 19 20:15:14 CET 2011

swati patel wrote:
> Hello,
> when executing this command g/_rompp -f pull.mdp -c npt.gro -p topol.top 
> -n index.ndx -t npt.cpt -o pull.tpr
> d  ,fatal error is giving that  "Group reference not found in 
> indexfile._/"................
> Why am i getting this error??

You are calling a group named "reference" but no such group exists in the index 
file.  You need to create the group and add it to the index file.

Please also check the list archive when you get errors prior to posting.  Almost 
every error produced by a Gromacs program you will encounter has been asked and 



Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080


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