Timeout error. Cant lunch session no matter what.

ChillyRider
Wed, 07 Jan 2026 11:53:23 +0000
Issues and Bug Reporting

Summary

Here we go again. When project become at some point big UEFN keeps disconectiong from Session. Not the first time see this, even after a year this is not fixed yet! Our team stuck at this point. Need help ASAP.

Memory fine 70K. Project size 38%. Using Data layers and world partition.

LogValkyrieRequestManagerEditor: Error: Failed to handle connection attempt (Network error occurred when connecting to a server after matchmaking completed. Error: UNetConnection::Tick: Connection TIMED OUT. Closing connection.. Elapsed: 30.00, Real: 30.00, Good: 30.00, DriverTime: 728.37, Threshold: 30.00, [UNetConnection] RemoteAddr: 18.157.44.124:15007, Name: IpConnection_0, Driver: Name:IpNetDriver_0 Def:BeaconNetDriver IpNetDriver_0, IsServer: NO, PC: NULL, Owner: ValkyrieBeaconClient_0, UniqueId: MCP:f3ebb73fc11441b2a4f603f9518d72c2)
LogNet: NetworkFailure: ConnectionTimeout, Error: ‘UNetConnection::Tick: Connection TIMED OUT. Closing connection.. Elapsed: 30.00, Real: 30.00, Good: 30.00, DriverTime: 728.37, Threshold: 30.00, [UNetConnection] RemoteAddr: 18.157.44.124:15007, Name: IpConnection_0, Driver: Name:IpNetDriver_0 Def:BeaconNetDriver IpNetDriver_0, IsServer: NO, PC: NULL, Owner: ValkyrieBeaconClient_0, UniqueId: MCP:f3ebb73fc11441b2a4f603f9518d72c2’

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Project Size

Steps to Reproduce

Build a huge map. At some point u cant lunch session to test and debug map cause got timeout events.

Expected Result

Lunch session as before!

Observed Result

Cant lunch session, keeps disconecting.

Platform(s)

PC

25 posts - 6 participants