Steps to Reproduce
  1. Open a UE4.26 project.
  2. Enable the polygon editing plugin from Edit>Plugins
  3. Find a StaticMesh asset and open the StaticMesh editor.
  4. In the top toolbar, open the dropdown menu under the "UV" button and select "Generate UVs"

Result: a new empty window will open with the text "unrecongized tab".

Expected: The UV generation tool opens correctly.

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Affects Versions4.26
Target Fix4.26.1
Fix Commit15089970
Release Commit15089970
CreatedJan 12, 2021
ResolvedJan 14, 2021
UpdatedAug 3, 2021