Command line:

gmx grompp -f ions.mdp -c complex_solv.gro -p topol.top -o ions.tpr

Ignoring obsolete mdp entry 'title'

Ignoring obsolete mdp entry 'ns_type'

NOTE 1 [file ions.mdp]:

With Verlet lists the optimal nstlist is >= 10, with GPUs >= 20. Note

that with the Verlet scheme, nstlist has no effect on the accuracy of

your simulation.

Setting the LD random seed to -142901771

ERROR 1 [file 7gi.prm, line 3]:

Unknown bond_atomtype CG311

Note:- i checked all the files.. 7gi.prm, 7gi.itp, topol.top

Thank You