[lammps-users] ERROR: Pair_coeff command before simulation box is defined

Hi all,
I am receiving this error, and checked in the LAMMPS error page. It says pair-coeff command cannot be used ebfore read_data, creat_box command etc.

This is below my input file and I apparently does not have them. I am trying totest simple Si.sw potentials

Hi all,
I am receiving this error, and checked in the LAMMPS error page. It
says pair-coeff command cannot be used ebfore read_data, creat_box
command etc.

This is below my input file and I apparently does not have them. I am

why not? you should have one of those. otherwise
you don't define a system/topology so the code has to complain.

axel.