Summary
When I try to launch the session, specifically during “Creating Modules” i get a “Failed to resolve validation session” error. There aren’t any files or errors shown in the Message Log, but here’s what the Output Log says during the error:
LogValkyrie: Error: FlowStep_ResolveSessionCandidates(): Failed to resolve validation session with error [{
“host”: “content-service.bfda.live.use1a.on.epicgames.com”,
“method”: “GET”,
“path”: “/api/content/v4/validation/session/71215862-3b59-4a82-ac80-8a87ac056dd8/resolve”,
“errorCode”: “errors.com.epicgames.content-service.module_validation_session_invalid_operation”,
“errorMessage”: “session 71215862-3b59-4a82-ac80-8a87ac056dd8 cannot be resolved until all candidate validations have been trigerred”
}]
LogOutputDevice: Warning: Script Stack (0 frames) :
LogOutputDevice: Error: === Handled ensure: ===
LogOutputDevice: Error: Ensure condition failed: Task == this [File:Z:\UEVFS\Root\Engine\Source\Runtime\Core\Private\Misc\SlowTask.cpp] [Line: 149]
LogOutputDevice: Error: Out-of-order slow task construction/destruction: destroying ‘Uploading Projects…’ but ‘Matchmaking …’ is at the top of the stack
LogOutputDevice: Error: Stack:
LogOutputDevice: Error: [Callstack] 0x00007ff7891cbd22 UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
It should be mentioned that there are more people experiencing this issue, not just me: Starting Session in UEFN impossible | Validation Error
Please select what you are reporting on:
Unreal Editor for Fortnite
What Type of Bug are you experiencing?
Matchmaking
Steps to Reproduce
Start the session
Expected Result
Session starts normally
Observed Result
“Failed to resolve validation session” Error
Platform(s)
PC