Warning: animation stack animation dose not contain any validkey.try difrent tim option wen import

Development Character & Animation
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1

im using a morph target animation ,3dmax2016 &faceshift
folowing this tutorial but imported faceshift export in to ue4 see this warning

warning:animation stack animation dose not contain any valid key .try difrent time option wen import.
plz help tnx

2

I’m getting the same problem. Did you found a fix?