[gmx-users] Question about the dihedral potential ....

[Mark Abraham]

Sergio Garay wrote:
> Hi to all
> 
> I've checked all the answers in the gmx list about this item, but I still 
> don't know if it is possible to describe a dihedral behavior with more than 
> one potential function. In one answer I understood that it is posible, but 
> when I try to run grompp it does not process the topology, giving me the 
> follow answer:
> 
> Fatal error:
> Incorrect number of parameters - found 4, expected 3 or 6.

Search the mailing list for this error message - there's been discussion 
on it before.

Mark