Unreal Engine Issues and Bug Tracker (UE-47117)

Description

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

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

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Fixed

Component	UE - Gameplay - Blueprint
Affects Versions	4.15, 4.16, 4.17
Target Fix	4.18

Fix Commit	3540585
Main Commit	3544050
Release Commit	3643070

Created	Jul 11, 2017
Resolved	Jul 17, 2017
Updated	Apr 27, 2018

UE-47117

Nativized build will crash on launch if a nativized Actor-based Blueprint class includes an instanced subobject that references another instanced subobject but does not also own it.

Nativized build will crash on launch if a nativized Actor-based Blueprint class includes an instanced subobject that references another instanced subobject but does not also own it.

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