The user named a border "background" then replaced it with a canvas panel. After this they made an image and named it "background" and this cause a crash. Some kind of naming conflict.

Steps to Reproduce
  1. Open the editor
  2. Create a new widget blueprint
  3. Add a Border Widget (from Common) to the [Canvas Panel]
  4. Rename the border to "Background"
  5. Right click Background in Hierarchy and choose "Replace with Canvas Panel"
  6. Add an Image Widget (from Common) to the original [Canvas Panel]
  7. Rename the image to "Background" (notice there is no error saying that Background is already taken)
  8. Notice that the project Crashes

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ComponentUE - Editor - UI Systems
Affects Versions4.7.64.8
Target Fix4.9
Fix Commit2593538
CreatedJun 4, 2015
ResolvedJun 19, 2015
UpdatedApr 27, 2018