[gmx-users] error while executing grompp

Justin A. Lemkul jalemkul at vt.edu
Wed Aug 26 01:06:46 CEST 2009



Chanchal wrote:
> Hi Justin,
>   Sorry, I attached the wrong file. Attached is the correct file.

There is a space after #define:

#define _FF_CHARMM

Your file has #define_FF_CHARMM.

-Justin

> Thanks
> Chanchal
> 
> 
> On Tue, Aug 25, 2009 at 4:56 PM, Justin A. Lemkul <jalemkul at vt.edu 
> <mailto:jalemkul at vt.edu>> wrote:
> 
> 
> 
>     Chanchal wrote:
> 
>         Hi Justin,
>          I am still getting the error message : Back Off! I just backed
>         up mdout.mdp to ./#mdout.mdp.2#
>         checking input for internal consistency...
>         processing topology...
>         Generated 0 of the 595 non-bonded parameter combinations
> 
>         -------------------------------------------------------
>         Program grompp_d, VERSION 4.0.5
>         Source code file: toppush.c, line: 1273
> 
>         Fatal error:
>         [ file topol.top, line 3879 ]:
>         Atom index (1) in settles out of bounds (1-0).
>         This probably means that you have inserted topology section
>         "settles"
>         in a part belonging to a different molecule than you intended to.
>         In that case move the "settles" section to the right molecule.
>         -------------------------------------------------------
> 
>         As you said I added the line #define_FF_CHARMM in ffcharmm.itp.
>         Attached
> 
> 
>     The #define line is not present in that file.  Take care to use the
>     right files when you've made changes.
> 
>     -Justin
> 
>         is the file.
>         Thanks
>         Chanchal
> 
> 
>         On Tue, Aug 25, 2009 at 4:42 PM, Justin A. Lemkul
>         <jalemkul at vt.edu <mailto:jalemkul at vt.edu>
>         <mailto:jalemkul at vt.edu <mailto:jalemkul at vt.edu>>> wrote:
> 
> 
>            Your ffcharmm.itp file lacks a necessary line at the very top:
> 
>            #define _FF_CHARMM
> 
>            Without this line, grompp does not know which force field you are
>            using, and hence everything breaks down when other .itp files are
>            called.
> 
>            -Justin
> 
>            Chanchal wrote:
> 
>                Hi,
>                 Attached are the top and itp file I am using. Please
>         help me to
>                fix the problem.
>                Thanks
>                Chanchal
> 
> 
>                On Tue, Aug 25, 2009 at 3:44 PM, Justin A. Lemkul
>                <jalemkul at vt.edu <mailto:jalemkul at vt.edu>
>         <mailto:jalemkul at vt.edu <mailto:jalemkul at vt.edu>>
>                <mailto:jalemkul at vt.edu <mailto:jalemkul at vt.edu>
>         <mailto:jalemkul at vt.edu <mailto:jalemkul at vt.edu>>>> wrote:
> 
> 
> 
>                   Chanchal wrote:
> 
>                       Hi All,
>                         I have downloaded pdb file and required .top and
>         .itp file
>                       from the site http://www.bioinf.uni-sb.de/RB/ for DOPC
>                       simulation. Now when I execute the command
>                        grompp_d -f em.mdp -c charmm-s22-100ns.pdb -p
>         topol.top -o
>                       dopc.tpr -e ener.edr -t traj.trr I got the error "
>         Fatal
>                error:
>                       [ file tip3p.itp, line 42 ]:
>                       Atom index (1) in settles out of bounds (1-0).
>                       This probably means that you have inserted
>         topology section
>                       "settles"
>                       in a part belonging to a different molecule than you
>                intended to.
>                       In that case move the "settles" section to the right
>                molecule.
>                      
>         -------------------------------------------------------
> 
>                       Attached is the em.mdp file I am using. Please
>         help me how to
>                       solve this problem.
> 
> 
>                   Please see here:
> 
>                        
>         http://oldwiki.gromacs.org/index.php/Errors#Atom_index_.281.29_in_bonds_out_of_bounds
> 
>                   The .mdp file is not the source of the problem; the
>         topology
>                is.  If
>                   you need more help, you'll have to post the relevant
>         section.
> 
>                   -Justin
> 
>                       Thanks
>                       Chanchal
> 
> 
>                            
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>                   --    ========================================
> 
>                   Justin A. Lemkul
>                   Ph.D. Candidate
>                   ICTAS Doctoral Scholar
>                   Department of Biochemistry
>                   Virginia Tech
>                   Blacksburg, VA
>                   jalemkul[at]vt.edu <http://vt.edu> <http://vt.edu>
>         <http://vt.edu> | (540)
> 
>                231-9080
> 
>                   http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin
> 
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>            --    ========================================
> 
>            Justin A. Lemkul
>            Ph.D. Candidate
>            ICTAS Doctoral Scholar
>            Department of Biochemistry
>            Virginia Tech
>            Blacksburg, VA
>            jalemkul[at]vt.edu <http://vt.edu> <http://vt.edu> | (540)
>         231-9080
>            http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin
> 
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>     -- 
>     ========================================
> 
>     Justin A. Lemkul
>     Ph.D. Candidate
>     ICTAS Doctoral Scholar
>     Department of Biochemistry
>     Virginia Tech
>     Blacksburg, VA
>     jalemkul[at]vt.edu <http://vt.edu> | (540) 231-9080
>     http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin
> 
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-- 
========================================

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
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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