I gets an error when want to connect with uefn session.

[FedorOrehshek]

Hello, guys. I’ve problem with connecting to UEFN session. When i click “Launch Session” i get an error. Please help me. I will be grateful to user, who help me.

[BRGEzedeRocco]

Hello @FedorOrehshek ,
From what I’ve been investigating, and based on the posts I found

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[image] Any ideas about what needs to change to allow the connection to complete? Thanks!

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Summary Connectivity/ matchmaking issues when playtesting Please select what you are reporting on: Unreal Editor for Fortnite What Type of Bug are you experiencing? Matchmaking Steps to Reproduce When I try to playtest my map I get varying matchmaking and connectivity error messages. Expected Result The map should start in Fortnite as usual Observed Result Every time I try to play I get a different error message. The first was a matchmaking error ( see attached ), today, when the Simpsons l…

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Hello, guys. I’ve problem with connecting to UEFN session. When i click “Launch Session” i get an error. Please help me. I will be grateful to user, who help me. [image]

Error launching my map

Summary I’m getting the following error when trying to launch my project in Unreal Engine: LogValkyrie: Error: FlowStep_ResolveSessionCandidates(): Candidate module [b5489c63-4ee6-693a-582a-b09729ddca2d] failed validation with error: [epicgames.com.errors.cook.non_zero_exit] Please select what you are reporting on: Creative What Type of Bug are you experiencing? Other Steps to Reproduce It happens when I try to launch session on my map Expected Result Do not show the error LogValkyrie: Err…

This seems to be a fairly common issue in UEFN. It looks like UEFN is unable to connect to the session server after matchmaking completes.

I found a post where another user shared a workaround that allowed them to launch the session successfully, so I’d recommend giving that a try.

Unable to Launch Session (Matchmaking Time Out)

In case this is helpful for whoever is assigned the task, I’ve figured out a temporary bandaid solution which allows me to launch a session but is in no way an acceptable workaround. Steps to allow you to launch the project: Open up the Project Wait for the the “Preparing *” messages in the bottom right of the editor window to complete (see screenshot) Note that this seems to take up to 2 hours to complete for me. [image] Once completed, Launch Session, and the session works fine. N…

It could also be caused by a Verse error or an imported mesh generating some kind of conflict, although I didn’t find anything in the posts I reviewed that specifically mentioned those causes.

If that doesn’t resolve the issue, I’d recommend opening a ticket in the Fortnite Issues and Bug Reporting section.
https://forums.unrealengine.com/tags/c/general/issues-and-bug-reporting/172/fortnite/11425

Hope it helps!

[FedorOrehshek]

Hello, thx for try to help me but i haven’t a preparing menu.