GROMACS version: version 2020.1-Ubuntu-2020.1-1 GROMACS modification: No Hello Everyone, I’m trying to do energy minimisation for my system which contains a protein (441 residues), 25 Cu2+ ions, 52 Cl- ions and 10 molecules (phenylindane). solvent is water. I’m getting the error of, Energy minimization has stopped, but the forces have not converged to the requested precision …