Help regarding energy minimisation

[Karis]

Hi, this thread might be what you’re looking for, hope this helps!

ERROR No such moleculetype NA

GROMACS version: GROMACS modification: Yes/No I got this error when I run the line: gmx grompp -f em.mdp -c solv_ions.gro -p topol.top -o em.tpr -maxwarn 10 in the topol.top there is 3 NA atoms :-) GROMACS - gmx grompp, 2020.1-Ubuntu-2020.1-1 (-: GROMACS is written by: Emile Apol Rossen Apostolov Paul Bauer Herman J.C. Berendsen Par Bjelkmar Christian Blau Viacheslav Bolnykh Kevin Boyd Aldert van Buuren Rudi van Drunen Ant…