Crash when attempting to modify motion ease settings

[nowickim]

I use KeyShot 6.0.264 and am having trouble modifying a particular setting related to animation.  What happened is that I added a part animation, and when I initially added it I selected "Linear" for "Motion ease", but now if I go back to that animation and select it and attempt to change to "Ease in/out", KeyShot will hang indefinitely.

I did not have this issue when using KeyShot 5, although that was a different model that I was working with. 

My machine is Windows 10 64-bit.

I uploaded my model to WeTransfer for your review.  The file name is "SUV - starting point for all animations (do not modify)".