[gmx-users] Fatal error: Attempting to read a checkpoint file of version 12 with code of version 4

[Mark Abraham]

On 4/30/2011 7:22 PM, Faezeh Kargar wrote:
>
> Dear gmx users,
>
> My code stops running because of  electricity voltage oscillation. it 
> happened for several times and each time I restarted running my code. 
> but for this time with command
>
> mdrun -s topol.tpr -x 
> traj.part0002.part0003.part0004.part0004.part0005.xtc -cpi state.cpt 
> -e ener.part0002.part0003.part0004.part0004.part0005.edr -g 
> md.part0002.part0003.part0004.part0004.part0005.log &
>
> I used this command before without any error. but now I encountered 
> error like this:
>
>
> Program mdrun, VERSION 4.0.7
> Source
> code file: checkpoint.c, line: 565
>
> Fatal error:
> Attempting
> to read a checkpoint file of version 12 with code of version 4
>
> I looked at the file "checkpoint.c". at first the version of 
> checkpoint file is 4 but I do not know how and why it changes.
>

The usual reason for this kind of error is that you're using an old 
version of GROMACS to access a file written by a new version. That's not 
a good idea.

Mark