[Paraview] Problem with annotation filter

[Megdich Islem]

Hi
I applied the annotation filter algs.sum(algs.volume(inputs[0])),but I ended up with an error in the render view and output message stating thatAttributeError:'None Type' object has no attribute 'GetCellData'. Does any oneknow what is the problem ?


Regards,Islem Megdiche
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