[gmx-users] error in g_hbond

[Biswaranjan Meher]

Dear GROMACS users,
I am new to gmx-users.

I am analysing the H-bonding in my trajectory with the tool g_hbond.
The trajectory was generated by the AMBER force fields.
Now I have converted the AMBER prmtop and inpcrd files to GROMACS .top and
.gro files.

When I performed the g_hbond, I encountered with a fatal error

Your computational box has shrunk too much.
g_hbond can not handle this situation, sorry.

Also I checked the postings in the archive related to this problem, but I
didnt get the solution completely.
So is it a problem of my AMBER traj./pdb files I am using or it some thing
else.
Can anyone will help me in this regard to get the solution ?

Thanks in advance for your kind suggestions.

BRM
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