>> > I have executed for two times, each time i get different error. >> >
And you got *different* errors... What's the difference? Did you get the error at exactly the same integration time-step? Did you try to resproduce the error on another disk partition? Dr. Vitaly V. Chaban -- Gromacs Users mailing list * Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before posting! * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists * For (un)subscribe requests visit https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-users or send a mail to gmx-users-requ...@gromacs.org.