No valid blendshapes!

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No valid blendshapes!
There are no blendshapes to apply animation data to.

This message indicates that the assigned face mesh does not have any blendshapes that can receive animation data. This can happen if the blendshapes are not named properly or are not created at all. Please visit the Face System page for information on supported blendshapes and their naming convention.

If you assign a mesh to the Face Mesh with Blendshapes field in the addon, and that mesh has the “_FACE” suffix in its name, this error will appear if there are no valid blendshapes detected.

This means that the assigned mesh is not usable.

Please visit the Markerless Face Capture section of the documentation for more information on the face requirements.

				
					>>> [ERROR] Face geometry check - FAIL.
     > No valid blendshapes! There are no blendshapes to apply animation data to.

For face geometry to pass validation it needs to have at least one blend shape that is named correctly.
For more information on blend shapes please visit the following page:

				
					>>> [WARNING] Face geometry check - FAIL.
     > Blendshape {blendshapeName} appears multiple times in different deformers.
     > Last one will be ignored.

All blendshape names must be unique, they can’t repeat. If they do only the first shape will be exported.

				
					>>> [WARNING] Face geometry check - FAIL.
     > No face blendshapes found on deformer {blendshapeNodeName}.

This means that there are no shapes found in the blendshape node. They will be ignored.

Wonder Studio

No valid blendshapes!