[gmx-users] unknown bond atom_type +

SAKO MIRZAIE sako.biochem at gmail.com
Tue Aug 23 23:10:59 CEST 2016

Dear All,

I am trying to do vacuum md on a huge polymer, f-127. I had to add sex
residues to rtp file, but with know atom types. now, when I run the
grompp, I got the following error:

"unknown bond atom_type +"

I checked my topology file and I have no any atom named "+". I don't
know what does it mean. any help is appreciated.

best regards

Sako Mirzaie
PhD in biochemistry, Assistant Professor, science faculty,  Azad university of
Sanandaj, Sanandaj, Iran

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