LAMMPS (8 Apr 2021)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:94)
  using 1 OpenMP thread(s) per MPI task
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:94)
  using 1 OpenMP thread(s) per MPI task

WARNING: 'kim_<command>' has been renamed to 'kim <command>'. Please update your input.

Lattice spacing in x,y,z = 4.0499990 4.0499990 4.0499990
Created orthogonal box = (0.0000000 -45.824558 0.0000000) to (7.0148040 45.824558 9.9204310)
  1 by 1 by 1 MPI processor grid
Lattice spacing in x,y,z = 7.0148040 5.7275635 6.6136207
Created 198 atoms
  create_atoms CPU = 0.000 seconds
198 atoms in group upper
ERROR: Expected floating point parameter instead of '26.981538*1' in input script or data file (src/atom.cpp:1773)
Last command: mass               1 26.981538*${_u_mass}