fep example

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1

Dear LAMMPS users ,

I try to run fep example in lammps package :
lammps-31Mar17/examples/USER/fep/CH4hyd/fep01

but unfortunately I get this error :

ERROR: Illegal pair_style command (…/pair_lj_cut_coul_long.cpp:600)
Last command: pair_style hybrid lj/cut/coul/long 10.0 10.0 lj/cut/tip4p/long/soft 3 4 2 2 0.125 1 0.5 10.0 10.0 10.0

Can you please let me know what the problem is ?

Thanks for your attention.
Regards,
Saeed.

2

Dear LAMMPS users ,

I try to run fep example in lammps package :
lammps-31Mar17/examples/USER/fep/CH4hyd/fep01

but unfortunately I get this error :

ERROR: Illegal pair_style command (../pair_lj_cut_coul_long.cpp:600)
Last command: pair_style hybrid lj/cut/coul/long 10.0 10.0
lj/cut/tip4p/long/soft 3 4 2 2 0.125 1 0.5 10.0 10.0 10.0

Can you please let me know what the problem is ?

​did you install all required packages?

axel.​