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I have been experiencing this issue with:

• Paraview 5.2.0 and 5.4.0 on Windows 7
• Paraview 5.2.0 on Fedora

I have run a simple, transient flow case using Ansys CFX and exported the results to the ensight (Gold, ASCII) format using the export option from CFX-solve. I have imported the ensight case file into Paraview and verified the solution can be visualized by stepping through the timesteps and watching the fields change on a Slice filter.

I then used the ExtractSelection filter to select the inlet boundary (from the vtkMultiBlockDataSet). I then created the ParticleTracer filter using the .case file object as the Input and the ExtractSelection filter as the Seed Source. Paraview is fine up until this point, but as soon as I hit reply I get the 'Paraview has stopped working` message on Windows while Paraview instantly closes without any messages in the terminal or otherwise on Fedora.

Here is a link to a .zip file containing all the Ensight files as well as the Paraview state file (27.3 MB): https://drive.google.com/open?id=0B36AnwxERxoHSk96a0ZwR0tTQ3c

I have tried two workarounds:

• Using the Slice filter as the Seed Source instead of the ExtractSelection filter. Same error.
• Exporting the data to the .vtm file format and reloading it. Didn't load the timesteps properly.

I'm not sure whether this is related to this issue: #12317 (closed) but that issue was closed because the OP did not provide data, which means the respondents could not reproduce the bug.