[gmx-users] Error of moleculetype

[Mark Abraham]

s lal badshah wrote:
> Dear gromacs users,
> Hi,
> I have encounter the following error,after addition of Sodium ions to my 
> system as it has -5.00000 charge and before minimization.
> Fatal error:
> No such moleculetype Na
> I have checked errors of gromacs but I didn't understand that.Is I will 
> write the word NA below the [moleculetype ] in topology file ? or some 
> thing other work.

See 
http://wiki.gromacs.org/index.php/Errors#Fatal_error:_No_such_moleculetype_XXX

Mark