[gmx-users] Error mesage

Tanos Franca tanos at ime.eb.br
Wed Sep 21 16:51:19 CEST 2011

Dear gmx users,
Does someone know how to deal with the error mesage bellow ?
With my best regards,
Tanos C. C. Franca.

Program mdrun, VERSION 4.5.4
Source code file: domdec_con.c, line: 693

Fatal error:
DD cell 2 1 0 could only obtain 273 of the 275 atoms that are connected 
via constraints from the neighboring cells. This probably means your 
constraint lengths are too long compared to the domain decomposition 
cell size. Decrease the number of domain decomposition grid cells or 

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