UEFN session not starting after the update (Failed to create module version)

Summary

Hi there,
So I tried launching a session after today’s update for my island that i had no problem working on so far, now every time i get to the default waiting lobby for UEFN and it just fail on the “uploading” process and says this in the output log:

LogValkyrieSummary: Creating Module Version
LogValkyrieSyncProject: Error: CreateModuleVersion error: Failure ErrorCode=errors.com.epicgames.pre-processing.failed, Message=MODULE VALIDATION FAILED (job f65333e8-8f15-4929-9644-1d7248930e5a):
Failed downloading the source assets for job, Raw={
“host”: “content-service.bfda.live.use1a.on.epicgames.com”,
“method”: “GET”,
“path”: “/api/content/v2/module/9fa4ac3e-4bee-5081-5a94-a1a9022553d3/poll/f65333e8-8f15-4929-9644-1d7248930e5a”,
“errorCode”: “errors.com.epicgames.pre-processing.failed”,
“errorMessage”: “MODULE VALIDATION FAILED (job f65333e8-8f15-4929-9644-1d7248930e5a):\nFailed downloading the source assets for job”
}
LogValkyrieSyncProject: Error: CreateModuleVersions failed: see log for details

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Live Edit

Steps to Reproduce

Launch session after the update

Expected Result

session launched

Observed Result

Session doesn’t launch fully (Fortnite opens up and launches the default UEFN lobby) and then fail with error: “Failed to create module version”

Platform(s)

pc - windows 11

We’re checking into this, @Arsi

It looks like you’ve resolved the issue?

Hi @Arsi , @Flak ,

LogValkyrieSummary: Creating Module Version
LogValkyrieSyncProject: Error: CreateModuleVersion error: Failure ErrorCode=errors.com.epicgames.pre-processing.failed, Message=MODULE VALIDATION FAILED (job f65333e8-8f15-4929-9644-1d7248930e5a):
Failed downloading the source assets for job, Raw={

The answer is was posted before in
How can I fix “Module Validation Failed”
and
Verify your UEFN installation on Windows 11 using Epic Games Launcher as “Run Administrator”

The problem concerns Windows 11 Extended Security blocking parts of the UEFN installation update.

This seems to happen on Windows 11 and most UEFN updates since 30.00.
Most problems with UEFN and Windows 11 can be fixed by Verify of UEFN

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