Blueprint Interface Crash

Development Programming & Scripting UI
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1

Steps to reproduce the crash from an empty Blueprint project:

  1. Create a blueprint interface. Add an output variable to the default (or any) function
  2. Create a new blueprint (mine was based on actor)
  3. Create a child of the blueprint from step 2
  4. Implement the interface on the child blueprint from step 3
  5. Create a child of the child blueprint created in step 3
  6. Override the interface function in the second child blueprint created in step 5
  7. Implement the interface on the original blueprint created in step 2 and click compile
  8. Crash

I’ve attached the crash log for your reference.

Thanks

link text

2

Hey DannRees,

Thank you for the great repro steps. This issue has been logged as: UE-33027 to be reviewed by the development staff.