Hi,
there is an empty line between the last atom and #general mixing rules. This is very often causing errors. To avoid it remove the empty line like so:
...
C lennard-jones 0.8 6.38
# general mixing rule for Lennard-Jones
there is an empty line between the last atom and #general mixing rules. This is very often causing errors. To avoid it remove the empty line like so:
...
C lennard-jones 0.8 6.38
# general mixing rule for Lennard-Jones