Description

There seems to be an issue with the LOD Picker not updating after The LOD does not update to the default LOD0 or Auto LOD after Number of LODs changes, creating an invalid range for the currently selected LOD under the LOD Picker.

This makes it impossible for the user to edit the current LOD until the number of LODs is increased again and the user makes sure to have a valid LOD selected before updating the number of LODs.

Found in Dev-Editor but also occurs in Main.

Steps to Reproduce
  1. Open QAGame
  2. Search the Content Browser for MorphTarget_MorphAnim Skeletal Mesh asset
  3. Open the asset into the SME
  4. Under Asset Details > LOD Settings, set the Number of LODs to 2
  5. Under the LOD Picker in the drop-down beside LOD set to LOD1
  6. Set the Number of LODs back to 1
  7. Attempt to set the LOD again in the drop-down under LOD Picker

Results: LOD1 will still be selected next to LOD and there will be no LOD section to edit. The drop-down next to LOD cannot be interacted with.

Expected: LOD0 or Auto LOD will be the selected LOD and there will be an LOD0 section that is editable. The drop-down next to LOD cannot be interacted with. 

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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-80991 in the post.

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Won't Fix
CreatedSep 27, 2019
ResolvedAug 27, 2021
UpdatedAug 27, 2021