Summary
When attempting to launch a session in UEFN, the local validation process completes successfully with no errors, but the session fails to start.
The error message displayed is: “Échec de résolution de session de validation” (“Failed to resolve validation session”).
Please select what you are reporting on:
Unreal Editor for Fortnite
What Type of Bug are you experiencing?
Assets
Steps to Reproduce
Open the affected project in UEFN.
Click Launch Session.
Wait for local validation to complete successfully.
See the error: “Failed to resolve validation session.”
Expected Result
The session should launch successfully after local validation passes.
Observed Result
Session fails to start despite local validation passing.
Platform(s)
PC
Uploading: Capture d’écran 2025-08-12 195508.png…
Uploading: Capture d’écran 2025-08-12 195156.png…