Unreal Engine Issues and Bug Tracker (UE-74275)

Description

UE4Editor crashes when compiling a User Widget Blueprint that implements a List View widget where the Entry Widget Class setting is set to itself.

Steps to Reproduce

Open any project
Create a new Widget Blueprint
Add a List View widget from the Palette to the Designer graph
Select the + button for the Entry Widget Class setting
Select OK
Add a List View widget to the new User Widget
Select Graph tab > Class Settings
Add the User Object List Entry interface to the new User Widget
Select the Designer tab
Compile the new User Widget
Set the Entry Widget Class = the new User Widget
Compile the new User Widget

RESULT:
UE4Editor crashes

Callstack

LogWindows: Error: Unhandled Exception: EXCEPTION_STACK_OVERFLOW
LogWindows: Error: 
LogWindows: Error: [Callstack] 0x00007ffef2d07e3f UE4Editor-CoreUObject.dll!StaticFindObjectFastInternalThreadSafe() [e:\ue4-main\engine\source\runtime\coreuobject\private\uobject\uobjecthash.cpp:492]
LogWindows: Error: [Callstack] 0x00007ffef2d07def UE4Editor-CoreUObject.dll!StaticFindObjectFastInternal() [e:\ue4-main\engine\source\runtime\coreuobject\private\uobject\uobjecthash.cpp:604]
LogWindows: Error: [Callstack] 0x00007ffef2cfd75a UE4Editor-CoreUObject.dll!FindObjectWithOuter() [e:\ue4-main\engine\source\runtime\coreuobject\private\uobject\uobjecthash.cpp:818]
LogWindows: Error: [Callstack] 0x00007ffef2cca8b1 UE4Editor-CoreUObject.dll!GetArchetypeFromRequiredInfoImpl() [e:\ue4-main\engine\source\runtime\coreuobject\private\uobject\uobjectarchetype.cpp:34]
LogWindows: Error: [Callstack] 0x00007ffef2cca880 UE4Editor-CoreUObject.dll!GetArchetypeFromRequiredInfoImpl() [e:\ue4-main\engine\source\runtime\coreuobject\private\uobject\uobjectarchetype.cpp:32]
LogWindows: Error: [Callstack] 0x00007ffef2cca880 UE4Editor-CoreUObject.dll!GetArchetypeFromRequiredInfoImpl() [e:\ue4-main\engine\source\runtime\coreuobject\private\uobject\uobjectarchetype.cpp:32]
LogWindows: Error: [Callstack] 0x00007ffef2cca880 UE4Editor-CoreUObject.dll!GetArchetypeFromRequiredInfoImpl() [e:\ue4-main\engine\source\runtime\coreuobject\private\uobject\uobjectarchetype.cpp:32]
LogWindows: Error: [Callstack] 0x00007ffef2cca880 UE4Editor-CoreUObject.dll!GetArchetypeFromRequiredInfoImpl() [e:\ue4-main\engine\source\runtime\coreuobject\private\uobject\uobjectarchetype.cpp:32]
LogWindows: Error: [Callstack] 0x00007ffef2cca880 UE4Editor-CoreUObject.dll!GetArchetypeFromRequiredInfoImpl() [e:\ue4-main\engine\source\runtime\coreuobject\private\uobject\uobjectarchetype.cpp:32]
LogWindows: Error: [Callstack] 0x00007ffef2cca880 UE4Editor-CoreUObject.dll!GetArchetypeFromRequiredInfoImpl() [e:\ue4-main\engine\source\runtime\coreuobject\private\uobject\uobjectarchetype.cpp:32]
LogWindows: Error: [Callstack] 0x00007ffef2cca880 UE4Editor-CoreUObject.dll!GetArchetypeFromRequiredInfoImpl() [e:\ue4-main\engine\source\runtime\coreuobject\private\uobject\uobjectarchetype.cpp:32]
LogWindows: Error: [Callstack] 0x00007ffef2cca880 UE4Editor-CoreUObject.dll!GetArchetypeFromRequiredInfoImpl() [e:\ue4-main\engine\source\runtime\coreuobject\private\uobject\uobjectarchetype.cpp:32]
LogWindows: Error: [Callstack] 0x00007ffef2cca880 UE4Editor-CoreUObject.dll!GetArchetypeFromRequiredInfoImpl() [e:\ue4-main\engine\source\runtime\coreuobject\private\uobject\uobjectarchetype.cpp:32]
LogWindows: Error: [Callstack] 0x00007ffef2cca880 UE4Editor-CoreUObject.dll!GetArchetypeFromRequiredInfoImpl() [e:\ue4-main\engine\source\runtime\coreuobject\private\uobject\uobjectarchetype.cpp:32]
LogWindows: Error: [Callstack] 0x00007ffef2cca880 UE4Editor-CoreUObject.dll!GetArchetypeFromRequiredInfoImpl() [e:\ue4-main\engine\source\runtime\coreuobject\private\uobject\uobjectarchetype.cpp:32]
LogWindows: Error: [Callstack] 0x00007ffef2cca880 UE4Editor-CoreUObject.dll!GetArchetypeFromRequiredInfoImpl() [e:\ue4-main\engine\source\runtime\coreuobject\private\uobject\uobjectarchetype.cpp:32]
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Won't Fix

Component	UE - Editor - UI Systems
Affects Versions	4.23

Created	May 7, 2019
Resolved	Aug 27, 2021
Updated	Aug 27, 2021

UE-74275

Crash when compiling a widget with a self referencing List View

Crash when compiling a widget with a self referencing List View

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