[gmx-users] Reg error in dynamics

[RAMYA NAGA]

Dear friends,
iam running protein-ligand dynamics.i got an error showing like this

Program grompp, VERSION 4.5.5
Source code file: toppush.c, line: 1228

Fatal error:
moleculetype CU1 is redefined
For more information and tips for troubleshooting, please check the GROMACS
website at http://www.gromacs.org/Documentation/Errors
 can any one of u help me regarding this???

Thanking you
-- 
*Ramya.LN*
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