Hello,
this has to do with my personal experience of using Gromacs version 4.0.3. So 
this is not an official response.
The story:
While I was trying to run an NVT simulation in a monoclinic box I encountered 
the following problem:
Fatal error:
25 of the 336080 bonded interactions could not be calculated because some atoms 
involved moved further apart than the multi-body cut-off distance (0.895 nm) or 
the two-body cut-off distance (0.895 nm), see option -rdd, for pairs and 
tabulated bonds also see option -ddcheck

and the:
Not all bonded interactions have been properly assigned to the domain 
decomposition cells

Trying to put aside the fact that my system had any bug I found in the net the 
following:
http://www.gromacs.org/pipermail/gmx-developers/2008-January/002373.html

In order to overcome this error I increased the value of
table-extension          = 30
in my mdp file in such a way, as to be bigger from my biggest dimension I had 
in my system. The ran proceeded (until now that I'm writing this e-mail) 
without any problem.

This value has to do with the cut-off of pairs1-4 LJ interactions and is 
calculated in nm.

JFYI
Regards,
Nikos






      
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