Error : Object has wrapping UVs

Open the mesh in the mesh editor.

  1. In details - under LOD 0 / Build Settings (expand) and check the box for Generate Lightmap UVS.
  2. Scroll down a bit and click Apply Changes button.
  3. In details under General Settings set your Light Map Resolution to desired (64)
  4. In General Settings expand Advanced and set Light Map Coordinate Index to 1.
  5. Save the Mesh, Build Lighting only and check warnings.

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