[vtkusers] vtkTemporalInterpolator, warning "Interpolation aborted for points because the number of tuples/components in each time step are different"...

[Gerrick Bivins]

Hello All,
I have an application that works off of a temporal pipeline. Every now and
then I run into a dataset that produces this warning:
"Interpolation aborted for points because the number of tuples/components in
each time step are different"

I don't see an error code set or a return in the block of code that
generates this warning (vtkTemporalInterpolator.cxx ~ln 500) so I'm not sure
of the effect.
Does this invalidate the pipeline?
It sounds like this occurs when the my dataset structure changes but all of
my datasets change grid structure and this error only occurs on certain
occasions so I'm having trouble
tracking down the cause.

Thanks for any advice here,
Gerrick
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