[lammps-users] question on pair_style hybrid

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1

I used “pair_style hybrid” with dpd and coul/cut.
But something weird happened.
(1) works but (2) doesn’t work.
Error message is:

ERROR: Pair coeff for hybrid has invalid style

I don’t know what the problem is.

(1)

pair_style hybrid dpd 1.0 1.0 343872 coul/cut 5.0
pair_coeff 1 1 dpd 25.0 3.0 1.0
pair_coeff 1 2 dpd 25.0 3.0 1.0
pair_coeff 2 2 coul/cut

(2)

pair_style hybrid dpd 1.0 1.0 343872 coul/cut 5.0
pair_coeff 1 1 dpd 25.0 3.0 1.0
pair_coeff 1 2 dpd 25.0 3.0 1.0
pair_coeff 2 2 coul/cut

pair_coeff 1 3 dpd 25.0 3.0 1.0
pair_coeff 1 4 dpd 25.0 3.0 1.0
pair_coeff 2 3 coul/cut

pair_coeff 2 4 coul/cut
pair_coeff 3 3 coul/cut

pair_coeff 3 4 coul/cut

pair_coeff 4 4 coul/cut

2

I used "pair_style hybrid" with dpd and coul/cut.
But something weird happened.
(1) works but (2) doesn't work.
Error message is:
ERROR: Pair coeff for hybrid has invalid style
I don't know what the problem is.

me neither, both input sections work for me
if added to a simple test input.

axel.