Crash occurs because the generated ctor for the nativized Actor-based Blueprint class is incorrectly trying to recreate a default subobject it owns through another instanced subobject.

Steps to Reproduce
  1. Launch UE4 and open the attached sample project.
  2. Choose File->Package Project->Windows->Win64 and wait for packaging to finish.
  3. Launch the packaged EXE. Note that a crash will result (see screenshot).

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ComponentUE - Gameplay - Blueprint
Affects Versions4.154.164.17
Target Fix4.18
Fix Commit3540585
Main Commit3544050
Release Commit3643070
CreatedJul 11, 2017
ResolvedJul 17, 2017
UpdatedApr 27, 2018