Hi GMXusers,

I am facing a problem with the latest version of the GROMACS. When I generate the tpr file with grompp, I get the following error.
"Fatal error: moleculetype CU1+ is redefined"
The error is repeating with any molecule simulation that I try. Why is this error caused.
Waiting for your suggessions.
################################################################################# :-) G R O M A C S (-:

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                            :-)  VERSION 3.3  (-:


     Written by David van der Spoel, Erik Lindahl, Berk Hess, and others.
      Copyright (c) 1991-2000, University of Groningen, The Netherlands.
            Copyright (c) 2001-2004, The GROMACS development team,
           check out http://www.gromacs.org for more information.

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              :-)  /home2/sridhar/bin/GROMACS3.3/bin/grompp  (-:

Option     Filename  Type         Description
------------------------------------------------------------
 -f      ../em.mdp  Input, Opt!  grompp input file with MD parameters
-po      mdout.mdp  Output       grompp input file with MD parameters
 -c   1AZV_ion.gro  Input        Generic structure: gro g96 pdb tpr tpb tpa
                                  xml
 -r       conf.gro  Input, Opt.  Generic structure: gro g96 pdb tpr tpb tpa
                                  xml
-rb       conf.gro  Input, Opt.  Generic structure: gro g96 pdb tpr tpb tpa
                                  xml
 -n      index.ndx  Input, Opt.  Index file
-deshuf  deshuf.ndx  Output, Opt. Index file
 -p       1AZV.top  Input        Topology file
-pp  processed.top  Output, Opt. Topology file
 -o  1AZV_b4em.tpr  Output       Generic run input: tpr tpb tpa xml
 -t       traj.trr  Input, Opt.  Full precision trajectory: trr trj
 -e       ener.edr  Input, Opt.  Generic energy: edr ene

     Option   Type  Value  Description
------------------------------------------------------
     -[no]h   bool     no  Print help info and quit
      -nice    int      0  Set the nicelevel
     -[no]v   bool    yes  Be loud and noisy
      -time   real     -1  Take frame at or first after this time.
        -np    int      1  Generate statusfile for # nodes
-[no]shuffle   bool     no  Shuffle molecules over nodes
  -[no]sort   bool     no  Sort molecules according to X coordinate
-[no]rmvsbds   bool    yes  Remove constant bonded interactions with virtual
                           sites
      -load string         Releative load capacity of each node on a
                           parallel machine. Be sure to use quotes around
                           the string, which should contain a number for
                           each node
   -maxwarn    int     10  Number of warnings after which input processing
                           stops
-[no]check14   bool     no  Remove 1-4 interactions without Van der Waals
 -[no]renum   bool    yes  Renumber atomtypes and minimize number of
                           atomtypes

creating statusfile for 1 node...

Back Off! I just backed up mdout.mdp to ./#mdout.mdp.7#
WARNING 1 [file ../em.mdp, line unknown]:
 Unknown left-hand 'define' in parameter file

checking input for internal consistency...
calling /usr/bin/cpp...
processing topology...
Generated 279 of the 1225 non-bonded parameter combinations
Cleaning up temporary file gromppVG7rEt
-------------------------------------------------------
Program grompp, VERSION 3.3
Source code file: toppush.c, line: 887

Fatal error:
moleculetype CU1+ is redefined
-------------------------------------------------------

"A Lady Shaves Her Legs" (C. Meijering)
##########################################################

begin:vcard
fn:M. Sridhar Acharya
n:Acharya;M. Sridhar
org:Centre for DNA Fingerprinting and Diagnostics;Laboratory of Computational Biology
adr:Nacharam;;ECIL Road;Hyderabad;AP;500076;INDIA
email;internet:[EMAIL PROTECTED]
title:Senior Research Fellow
tel;work:+91-(0)40-27151344
tel;home:+91-(0)40-27505833
tel;cell:+91-(0)40-9440969861
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