ERROR: Unknown angle style (../force.cpp:443)

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1

Dear Lammps experts,

I have recently installed LAMMPS directly from the developer and all the packages ( i.e. USER-MISC, USER-MOLECULE and etc. ) were installed and compiled. But I am getting an error as shown below. I would really appreciate any feedback to resolve this issue.

Thanks in advance

Sarah Lee.

: ERROR: Unknown angle style (…/force.cpp:443)

2

I think you’re trying to specify an angle sub-style for the hybrid style called class2 that doesn’t exist in those packages.

3

Apparently not all required packages. You have an unknown angle style error and you have two angle styles listed: class2 and harmonic. Why not look at the bottom of each of the two doc pages and see which additional package you need to install?

Best regards,

Ray