OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › Bug Reports › MPI run — pvd file fault › Re: MPI run — pvd file fault May 15, 2017 at 11:20 am #2623 steed188Participant Hi Albert, I got the point. My OpenMPI’s version was 1.6.3. I changed it to version 1.10.0. And it works. I don’t know why. Thank you very much. Yours steed188