Description

A 'user-created' widget in the body of an Expandable Area of an Editor Utility Widget causes a crash, after selecting 'Run Editor Utility Widget'.

Steps to Reproduce
  1. Open attached sample project
  2. Try to run the editor utility widget:  "[Content]/UTILITIES/BP_Master"
  3. Observe the editor hangs, then eventually crashes
Callstack

[2022.12.15-21.26.12:736][213]LogWindows: Error: === Critical error: ===
[2022.12.15-21.26.12:736][213]LogWindows: Error: 
[2022.12.15-21.26.12:736][213]LogWindows: Error: Fatal error!
[2022.12.15-21.26.12:736][213]LogWindows: Error: 
[2022.12.15-21.26.12:736][213]LogWindows: Error: Unhandled Exception: EXCEPTION_ACCESS_VIOLATION writing address 0x0000000000000008
[2022.12.15-21.26.12:736][213]LogWindows: Error: 
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff99d091824 UnrealEditor-Blutility.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff99d0ae7ab UnrealEditor-Blutility.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff99d0936a2 UnrealEditor-Blutility.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff9ec43dd52 UnrealEditor-Slate.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff9ec433394 UnrealEditor-Slate.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff9ec436080 UnrealEditor-Slate.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff9ec434a22 UnrealEditor-Slate.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff9ec43283d UnrealEditor-Slate.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff9ec3f9456 UnrealEditor-Slate.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff9ec441abe UnrealEditor-Slate.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff99d0aeb53 UnrealEditor-Blutility.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff99d0ae41c UnrealEditor-Blutility.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff99d094c68 UnrealEditor-Blutility.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff99d066514 UnrealEditor-Blutility.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff99d093f01 UnrealEditor-Blutility.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff9ec4f1260 UnrealEditor-Slate.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff9ec4f5460 UnrealEditor-Slate.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff9ec4c97c4 UnrealEditor-Slate.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff9ec5705f6 UnrealEditor-Slate.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff9ec596793 UnrealEditor-Slate.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff9ec4f6e8c UnrealEditor-Slate.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff9ec32a3e8 UnrealEditor-Slate.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff9ec30ffca UnrealEditor-Slate.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff9ec376743 UnrealEditor-Slate.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff9ec365223 UnrealEditor-Slate.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff9ec35aecc UnrealEditor-Slate.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ffa05bc19a2 UnrealEditor-ApplicationCore.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ffa05ba67d1 UnrealEditor-ApplicationCore.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ffa05bc4391 UnrealEditor-ApplicationCore.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ffa05b9ff93 UnrealEditor-ApplicationCore.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ffa1b9be858 USER32.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ffa1b9be299 USER32.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ffa05bc5849 UnrealEditor-ApplicationCore.dll!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff603697332 UnrealEditor.exe!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff6036b287d UnrealEditor.exe!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff6036b296a UnrealEditor.exe!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff6036b5680 UnrealEditor.exe!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff6036c71b4 UnrealEditor.exe!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ff6036ca516 UnrealEditor.exe!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ffa1b8774b4 KERNEL32.DLL!UnknownFunction []
[2022.12.15-21.26.12:736][213]LogWindows: Error: [Callstack] 0x00007ffa1bbe26a1 ntdll.dll!UnknownFunction []

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Fixed
ComponentUE - Editor - UI Systems
Affects Versions5.1
Target Fix5.2
Fix Commit24284190
Main Commit24220018
CreatedDec 15, 2022
ResolvedFeb 28, 2023
UpdatedApr 29, 2023
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