Implemented interfaces are not added to the list of assets to nativize when the blueprint class that implements them is flagged for nativization, saved, and compiled. This results in a package failure if packaging is then attempted.


[2017.01.25-02.25.37:538][523]UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.01.25-02.25.37:360][  0]LogBlueprintCodeGen:Error: BP /Game/Blueprints/QA_NativizationCandidate.QA_NativizationCandidate is selected for nativization, but BP interface class /Game/Blueprints/Circular/QABP_Circular_Interface_New_AInter.QABP_Circular_Interface_New_AInter_C is not nativized.

Found on 4.15 Binary CL-3269047

Steps to Reproduce
  1. Open UE4Editor.exe QAGAME
  2. Open Project Settings -> Packaging
    1. Set Blueprint Nativization Method to Exclusive
  3. Open QA_TestHelper blueprint asset in blueprint editor
  4. Select 'Class Settings' in the blueprints tool bar
  5. Implement (via Add button) QABP_Circular_Interface_New_AInter
  6. Check 'Nativize' in the class settings.
  7. Compile and save
  8. Go back to Project Settings > Packaging
  9. Expand the 'List of Blueprint assets to nativize'

Result: The implemented interface has not been added to the nativization list

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ComponentUE - Gameplay - Blueprint Runtime
Affects Versions4.154.16
Target Fix4.15
Fix Commit3274362
Main Commit3389599
Release Commit3274457
CreatedJan 25, 2017
ResolvedJan 26, 2017
UpdatedApr 27, 2018