[lammps-users] error on units box


i have a problem:

when i use “units box” in the command (see below), i get an error:

Memory usage per processor = 1.71974 Mbytes
Step Temp E_pair E_mol TotEng Press
0 1 102443.03 0 102444.35 298504.71
ERROR: Lost atoms: original 655 current 308

Given the region ID box, I presume you are using the region to define
your simulation
box, in the create_box command. This means that
you are running 2 simulations with different box sizes, which
means the atoms you create could be in totally different
positions. So it's no surprise the 2 simulations behave
differently. You need to decide what geometry you want for
your model and how to populate it correctly.