Summary
While working on my projects I sometimes get an URC error. I’m not sure what’s triggering it.
Please select what you are reporting on:
Unreal Editor for Fortnite
What Type of Bug are you experiencing?
Unreal Revision Control
Steps to Reproduce
Not sure, it happens when I save or push to URC.
Expected Result
No errors
Observed Result
[2026.06.19-13.10.42:401][539]LogEOSSDK: LogEOS: SDK Config Product Update Request Completed - No Change
[2026.06.19-13.10.42:401][539]LogEOSSDK: LogEOS: ScheduleNextSDKConfigDataUpdate - Time: 14850.711914, Update Interval: 340.106812
[2026.06.19-13.10.43:998][697]LogSourceControl: Backed up 1 file(s) on personal branch.
[2026.06.19-13.10.44:081][697]LogSourceControl: Backed up 3 file(s) on personal branch.
[2026.06.19-13.10.45:188][808]LogSlate: Window ‘Confirm Submit to main’ being destroyed
[2026.06.19-13.10.46:223][808]LogSourceControl: Backed up 0 file(s) and 1 directories(s) on personal branch.
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error: === Handled ensure: ===
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error:
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error: Ensure condition failed: !Progress.IsValid() [File:Z:\UEVFS\Root\Engine\Restricted\NotForLicensees\Plugins\SkeinSourceControl\Source\SkeinSourceControl\Private\UnrealRevisionControlAPI.cpp] [Line: 2022]
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error: This should not happen.
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error: Stack:
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error: [Callstack] 0x00007ff95a8edabb UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error: [Callstack] 0x00007ff94f5121ca UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error: [Callstack] 0x00007ff94f4f1aad UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error: [Callstack] 0x00007ff976925b98 lore.dll!UnknownFunction
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error: [Callstack] 0x00007ff976979e6b lore.dll!UnknownFunction
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error: [Callstack] 0x00007ff976ae940d lore.dll!UnknownFunction
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error: [Callstack] 0x00007ff976f13b44 lore.dll!UnknownFunction
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error: [Callstack] 0x00007ff976f105ee lore.dll!UnknownFunction
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error: [Callstack] 0x00007ff976f03da7 lore.dll!UnknownFunction
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error: [Callstack] 0x00007ff976f1df8a lore.dll!UnknownFunction
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error: [Callstack] 0x00007ff976f16caf lore.dll!UnknownFunction
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error: [Callstack] 0x00007ff976f176e7 lore.dll!UnknownFunction
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error: [Callstack] 0x00007ff976f92f0c lore.dll!UnknownFunction
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error: [Callstack] 0x00007ffa5c26e957 KERNEL32.DLL!UnknownFunction
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error: [Callstack] 0x00007ffa5e387c1c ntdll.dll!UnknownFunction
[2026.06.19-13.10.48:120][808]LogOutputDevice: Error:
[2026.06.19-13.10.48:135][808]EnsureFailed: Error: Ensure condition failed: !Progress.IsValid() [File:Z:\UEVFS\Root\Engine\Restricted\NotForLicensees\Plugins\SkeinSourceControl\Source\SkeinSourceControl\Private\UnrealRevisionControlAPI.cpp] [Line: 2022]
This should not happen.
Stack:
0x00007ff95a8edabb UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
0x00007ff94f5121ca UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
0x00007ff94f4f1aad UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
0x00007ff976925b98 lore.dll!UnknownFunction
0x00007ff976979e6b lore.dll!UnknownFunction
0x00007ff976ae940d lore.dll!UnknownFunction
0x00007ff976f13b44 lore.dll!UnknownFunction
0x00007ff976f105ee lore.dll!UnknownFunction
0x00007ff976f03da7 lore.dll!UnknownFunction
0x00007ff976f1df8a lore.dll!UnknownFunction
0x00007ff976f16caf lore.dll!UnknownFunction
0x00007ff976f176e7 lore.dll!UnknownFunction
0x00007ff976f92f0c lore.dll!UnknownFunction
0x00007ffa5c26e957 KERNEL32.DLL!UnknownFunction
0x00007ffa5e387c1c ntdll.dll!UnknownFunction
Platform(s)
Windows UEFN
Island Code
No code