(In reply to Dmitry Roshchin from comment #2) > I don't see any MPI-related code in openEMS project. But CSXCAD requires > libvtkIOMPIParallel.so.1 and QCSXCAD requires libvtkIOMPIImage.so.1, > libvtkIOMPIParallel.so.1 (you can check packages [1]). This libraries are > part of openEMS project. Looks like the reason of errors is MPI support in > VTK, for example Fedora has VTK without MPI support. > > Atri, can you check it? > > [1] https://build.opensuse.org/project/show/home:Dmitry_R:openEMS Hi Dmitry, Sorry for the delayed response. We do build vtk with all the MPI bindings enabled, and specifically both libvtkIOMPIImage and libvtkIOMPIParallel are part of the vtk rpm's. I think CSXCAD might be looking for them in the wrong place or something (instead of /usr/lib*/vtk/).