Vertex paint crashes editor

Development Platform & Builds
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4

So I was able to reproduce the crash:

  1. Start the UE 4.17 source build
  2. Download and start the “Landscape Mountains” sample project
  3. Drag two pine tree meshes onto the map (NO instance paint on landscape!)
  4. Go to vertex paint mode and paint on one tree
  5. Still in vertex painting mode, click on the other tree
  6. Crash

I have a feeling that it has something to with the lod’s, because when I do the same thing to simple starter content meshes (with no lod’s), the vertex painting works just fine.