On 4/22/12 11:49 PM, Nilesh Dhumal wrote:
Hello,



I am doing solvation dynamics for my system.


  When I am running grompp command I get  the error.

grompp -f md.mdp  -c  solvent-bmi-pf6-128.pdb   -p
solvent-bmi-pf6-128.top  -o md-rerun.tpr


Fatal error:
No such combination rule 0

I using Gromacs VERSION 4.0.5.


What this error means?


It means what it says - your force field (presumably a custom one) is using an invalid combination rule. See manual section 5.3.3 for valid options, then check the [defaults] directive for your force field and amend appropriately.

-Justin

--
========================================

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

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