Description

User reported a crash when trying to call "Create Widget" node set to UserWidget. Was not able to reproduce internally. User was able to resolve the crash by recreating the widget blueprint and reassigning the node.

Callstack
MachineId:73E991C54E477703B00445BEE2A221F0
 EpicAccountId:40dd2988f279471f82aefa4031bd2e82
 
 Unknown exception - code 00000001 (first/second chance not available)
 
 Assertion failed: GIsEditor || bCreatingCDO || !InClass->HasAnyClassFlags(CLASS_Abstract) [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.
 
 KERNELBASE + 24684 bytes
 UE4Editor_Core + 3174852 bytes
 UE4Editor_Core + 1677512 bytes
 UE4Editor_Core + 1566866 bytes
 UE4Editor_CoreUObject + 1522712 bytes
 UE4Editor_CoreUObject + 1527383 bytes
 UE4Editor_UMG + 72840 bytes
 UE4Editor_UMG + 449752 bytes
 UE4Editor_UMG + 1388906 bytes
 UE4Editor_CoreUObject + 549780 bytes
 UE4Editor_CoreUObject + 1318750 bytes
 UE4Editor_CoreUObject + 1435554 bytes
 UE4Editor_CoreUObject + 1572003 bytes
 UE4Editor_CoreUObject + 1440718 bytes
 UE4Editor_CoreUObject + 1320058 bytes
 UE4Editor_CoreUObject + 1577556 bytes
 UE4Editor_CoreUObject + 1440718 bytes
 UE4Editor_CoreUObject + 549780 bytes
 UE4Editor_CoreUObject + 1438659 bytes
 UE4Editor_Engine + 1818193 bytes
 UE4Editor_Engine + 9871675 bytes
 UE4Editor_Engine + 3769504 bytes
 UE4Editor_Engine + 3873565 bytes
 UE4Editor_Engine + 3883827 bytes
 UE4Editor_Engine + 9430532 bytes
 UE4Editor_Engine + 9213296 bytes
 UE4Editor_Engine + 3882838 bytes
 UE4Editor_Engine + 3789640 bytes
 UE4Editor!FEngineLoop::Init() + 551 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.5\engine\source\runtime\launch\private\launchengineloop.cpp:1853]
 UE4Editor!GuardedMain() + 292 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.5\engine\source\runtime\launch\private\launch.cpp:128]
 UE4Editor!GuardedMainWrapper() + 26 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.5\engine\source\runtime\launch\private\windows\launchwindows.cpp:125]
 UE4Editor!WinMain() + 249 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.5\engine\source\runtime\launch\private\windows\launchwindows.cpp:201]
 UE4Editor!__tmainCRTStartup() + 329 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]
 

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Fixed
ComponentTools - UMG
Target Fix4.7
Fix Commit2403354
Release Commit2513093
CreatedDec 3, 2014
ResolvedApr 21, 2015
UpdatedApr 27, 2018