[Asset Import] Errors on configuring a 3d model

Steps To Reproduce:

1. Create a new project
2. Import the attached 3d model
3. Select the model in project window to view in the inspector
4. Change the Animation type to Humanoid
5. Click on any other asset and click again on the 3d model to refresh the Inspector
6. Click on the Configure button

Expected Result:
3D model is added to the hierarchy and configuration window opens

Observed Result:
Errors thrown in the console and the model can't be configured

Reproducible On: 2020.1.0a13

Not Reproducible On: 2020.1.0a10

Environment: Win and Mac