To reproduce:
1. Open MagicMirror project
2. Reimport all assets
3. Check console for errors
Copy-pasting the errors:
ImportFBX Warnings:
Can't import tangents and binormals, because mesh 'Neutral' doesn't have it.
ImportFBX Errors:
Unsupported wedge mapping mode type. Please report this bug.
ImportFBX Warnings:
Can't import normals, because mesh 'default' doesn't have it.
Mesh 'default' has no normals. Recalculating normals.
Meshes may not have more than 65535 vertices at the moment. Mesh 'default'
will be split into 2 parts: 'default_MeshPart0', 'default_MeshPart1'.