problem when do equilibration

From: (
Date: Sun Aug 21 2005 - 03:40:44 CDT


I run namd for equilibration and after about 10000setps,occur the problem


FATAL ERROR: Periodic cell has become too small for original patch grid!

Possible solutions are to restart from a recent checkpoint,

increase margin, or disable useFlexibleCell for liquid simulation.



How can I solove this ???

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