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We have a failure finding a cell in Exodus with Find Data. Just to be sure I get this one, I will include steps below to find the cell to find.

• 5.7.0-RC1, Linux, remote server (16 ranks).
• Load Watney's 144 file .exo dataset. All variables on. Apply.
• Hover Cells On. Now, hover over the middle of the green (cylindrical) section. Find a globalNodeId. Write it down. I found 12646.
• Turn off Hover Cells On.
• Find Data. Cells. From Watney's data. GlobalElementId. Is. 12646 (or whatever you found above).
• Run Selection Query.

We get the following, with nothing selected.

Warning: In /snip/ParaViewCore/ClientServerCore/Core/vtkPythonSelector.cxx, line 76 
  vtkPythonSelector (0x35b2790): Could not invoke 'python_selector.execute()'

Traceback (most recent call last):
  File "/snip/lib/python2.7/site-packages/paraview/detail/python_selector.py", line 105, in execute
    insidedness = numpy_support.numpy_to_vtk(array, deep=1, array_type=vtkConstants.VTK_SIGNED_CHAR)
  File "/snip/lib/python2.7/site-packages/vtkmodules/util/numpy_support.py", line 170, in numpy_to_vtk
    z_flat = numpy.ravel(z).astype(arr_dtype)
ValueError: setting an array element with a sequence.
Warning: In /snip/ParaViewCore/ClientServerCore/Core/vtkPythonSelector.cxx, line 76
vtkPythonSelector (0x2c17620): Could not invoke 'python_selector.execute()'

Traceback (most recent call last):
  File "/snip/lib/python2.7/site-packages/paraview/detail/python_selector.py", line 105, in execute
    insidedness = numpy_support.numpy_to_vtk(array, deep=1, array_type=vtkConstants.VTK_SIGNED_CHAR)
  File "/snip/lib/python2.7/site-packages/vtkmodules/util/numpy_support.py", line 170, in numpy_to_vtk
    z_flat = numpy.ravel(z).astype(arr_dtype)
ValueError: setting an array element with a sequence.

I'm marking as a showstopper for 5.7, however, for my needs, we can slip until immediately after the release. Then, I will use a master build.

This is a Watney bug.