Summary
When attempting to launch a session in UEFN, the local validation process completes successfully with no errors, but the session fails to start.
At times, instead of the previous error (“Failed to resolve validation session”), I now get a different error:
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Copier
Modifier
Échec de recherche de serveur par le biais du matchmaking. Erreur :
Backend : Fortnite
Build : ++Fortnite+Release-37.00-CL-44501951
Région : EU
BuildIdOverride : 44055867
This issue occurs only with this specific project.
Other projects validate and launch sessions without any issues.
Please select what you are reporting on:
Unreal Editor for Fortnite
What Type of Bug are you experiencing?
Unreal Revision Control
Steps to Reproduce
Open the affected project in UEFN.
Click Launch Session.
Wait for local validation to complete successfully.
See the error:
Either: “Échec de résolution de session de validation”
Or: “Échec de recherche de serveur par le biais du matchmaking”
Expected Result
The session should launch successfully after local validation passes.
Observed Result
Session fails to start despite validation passing locally.
Sometimes the matchmaking server search error appears instead of the validation error.
Platform(s)
PC
