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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