I am attempting to create a custom reader in pure Python by attaching a ProgrammableFilter to a Text source that provides file names and other input parameters in JSON syntax. When the output type of the programmable filter is set to a vtkRectilinearGrid (apparently anything other than the original vtkTable input), Paraview throws the following error multiple times

> ERROR: In
> /home/utkarsh/Dashboards/MyTests/NightlyMaster/ParaViewSuperbuild-Release/paraview/src/paraview/ParaViewCore/ServerImplementation/Core/vtkPVSessionCore.cxx,
> line 389
> vtkPVSessionCore (0x93ab660): Object type: vtkCubeAxesRepresentation,
> could not find requested method: "SetOrientation"
> or the method was called with incorrect arguments.
>
> while processing
> Message 0 = Invoke
>   Argument 0 = vtk_object_pointer {vtkCubeAxesRepresentation (0xa715620)}
>   Argument 1 = string_value {SetOrientation}
>   Argument 2 = float64_value {0}
>
>
>
> ERROR: In
> /home/utkarsh/Dashboards/MyTests/NightlyMaster/ParaViewSuperbuild-Release/paraview/src/paraview/ParaViewCore/ServerImplementation/Core/vtkPVSessionCore.cxx,
> line 390
> vtkPVSessionCore (0x93ab660): Aborting execution for debugging purposes.
>
>
> ERROR: In
> /home/utkarsh/Dashboards/MyTests/NightlyMaster/ParaViewSuperbuild-Release/paraview/src/paraview/ParaViewCore/ServerImplementation/Core/vtkSIProxy.cxx,
> line 131
> vtkSISourceProxy (0xa7142e0): Error pushing property state: Orientation
>
>
> ERROR: In
> /home/utkarsh/Dashboards/MyTests/NightlyMaster/ParaViewSuperbuild-Release/paraview/src/paraview/ParaViewCore/ServerImplementation/Core/vtkPVSessionCore.cxx,
> line 389
> vtkPVSessionCore (0x93ab660): Object type: vtkGlyph3DRepresentation,
> could not find requested method: "SetOrientation"
> or the method was called with incorrect arguments.
>
> while processing
> Message 0 = Invoke
>   Argument 0 = vtk_object_pointer {vtkGlyph3DRepresentation (0xa81e6e0)}
>   Argument 1 = string_value {SetOrientation}
>   Argument 2 = float64_value {0}
>
>
>
> ERROR: In
> /home/utkarsh/Dashboards/MyTests/NightlyMaster/ParaViewSuperbuild-Release/paraview/src/paraview/ParaViewCore/ServerImplementation/Core/vtkPVSessionCore.cxx,
> line 390
> vtkPVSessionCore (0x93ab660): Aborting execution for debugging purposes.
>
>
> ERROR: In
> /home/utkarsh/Dashboards/MyTests/NightlyMaster/ParaViewSuperbuild-Release/paraview/src/paraview/ParaViewCore/ServerImplementation/Core/vtkSIProxy.cxx,
> line 131
> vtkSISourceProxy (0xa81b238): Error pushing property state: Orientation


The data is successfully loaded and, for the rest of the session, there are no further errors. However, the application exits with a segmentation fault and core dump when I attempt to load any saved Paraview state files based on this pipeline. Any insights into this problem will be appreciated.

Regards,

Michael Garba
IDEAS Research Institute
Robert Gordon University
Aberdeen
AB10 7GJ

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