Unreal Engine Issues

UE-62514

Nativized widgets that include a custom button cause a crash if Event Driven Loading is enabled

Nativized widgets that include a custom button cause a crash if Event Driven Loading is enabled

Description

Nativizing a Blueprint that includes a custom button (a Blueprint parented to the "Button" class) causes a crash when Event Driven Loading is enabled. Disabling Event Driven Loading can workaround this issue.

Regression?: No
This occurred in 4.19

Steps to Reproduce
  1. Download the attached project
  2. Package the project for Windows 64
  3. Open the packaged project
    Result: The game crashes due to an assert (see description for details)
    Expected: The game opens successfully and displays the button

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Fixed
ComponentUE - Gameplay - Blueprint
Affects Versions4.19, 4.20, 4.21
Target Fix4.22
Fix Commit4541116
Main Commit4450599
Release Commit4426061
CreatedAug 3, 2018
ResolvedNov 5, 2018
UpdatedNov 6, 2018
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