As the warning message suggests, changing the barostat you’re using should fix the issue. Changing from berendsen to c-rescale should fix the warning, based on this previous post (Error in NPT equilibration in protein-ligand complex)
As the warning message suggests, changing the barostat you’re using should fix the issue. Changing from berendsen to c-rescale should fix the warning, based on this previous post (Error in NPT equilibration in protein-ligand complex)