Unreal Engine Issues

UE-176612

Errors occur when moving duplicated Material Instances

Errors occur when moving duplicated Material Instances

UDN
Description

Licensees have reported that two UMaterialInterfaceEditorOnlyData objects are being created for duplicated assets, causing a name conflict when renaming.

Steps to Reproduce
  1. Create a Blank project.
  2. Create a folder "NewFolder" under Content folder.
  3. Create a material instance "NewMaterialInstanceConstant" under Content.
  4. Duplicate NewMaterialInstanceConstant to create "NewMaterialInstanceConstant1".
  5. Move NewMaterialInstanceConstant1 to a "NewFolder".
    [Image Removed]
  6. And the following error message is displayed and the move fails.
    [Image Removed]

 

/Game/NewMaterialInstanceConstant1 - An object named '/Game/NewMaterialInstanceConstant1.NewMaterialInstanceConstant1' already exists.
Couldn't rename `MaterialInstanceConstant 
/Game/NewMaterialInstanceConstant1.NewMaterialInstanceConstant1'

 

 

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Cannot Reproduce
ComponentUE - Rendering Architecture - Materials
Affects Versions5.1, 5.2
Target Fix5.3
Fix Commit24907503
CreatedFeb 9, 2023
ResolvedApr 4, 2023
UpdatedApr 4, 2023