Changing players teams after 10ish minute mark crashes server.

Summary

Bug that started after the June 25th update v41.10.

Also crashes when changing players teams using the class selector device.

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Assets

Steps to Reproduce

Play the private code provided
Play a couple rounds of the game
After 10 minutes, the game will crash when resetting all players to team 3 using the code provided.

Expected Result

not crash

Observed Result

crash

Platform(s)

All

Island Code

8475-4141-5683

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Huge performance cost for changing Team with Verse or Device - #15 by andpeu - Might be related to this

LogVerse: : beginning of loop
LogVerse: : barriers disabled for edit mode
LogVerse: : about to move players to team 3
LogEOSSDK: LogEOSMessaging: Epic Connect Messaging: Latency MessageType=[presence.v1.UPDATE] SubscriptionType=[EpicUserId] RawLatencyMs=[16] SentAtMs=[1784216558397] CorrelationId=[EOS-FiIHACjj3gibtXSU8-uFvw-WPV4Ai_j3gjyrY5YwWwovQ]
LogEOSSDK: LogEOSAuth: Verify access token started. LocalUserId=755…353
LogEOSSDK: LogEOSAuth: Verify access token succeeded. LocalUserId=755…353
LogNet: Warning: UNetConnection::Tick: Connection TIMED OUT. Closing connection.. Elapsed: 30.01, Real: 30.01, Good: 30.01, DriverTime: 728.54, Threshold: 30.00, [UNetConnection] RemoteAddr: 3.144.65.221:15011, Name: IpConnection_5, Driver: Name:IpNetDriver_5 Def:BeaconNetDriver IpNetDriver_5, IsServer: NO, PC: NULL, Owner: ValkyrieBeaconClient_5, UniqueId: MCP:7553eca4dd7c4ed083d08db0fcfa6353
LogNet: Error: UEngine::BroadcastNetworkFailure: FailureType = ConnectionTimeout, ErrorString = UNetConnection::Tick: Connection TIMED OUT. Closing connection.. Elapsed: 30.01, Real: 30.01, Good: 30.01, DriverTime: 728.54, Threshold: 30.00, [UNetConnection] RemoteAddr: 3.144.65.221:15011, Name: IpConnection_5, Driver: Name:IpNetDriver_5 Def:BeaconNetDriver IpNetDriver_5, IsServer: NO, PC: NULL, Owner: ValkyrieBeaconClient_5, UniqueId: MCP:7553eca4dd7c4ed083d08db0fcfa6353, Driver = Name:IpNetDriver_5 Def:BeaconNetDriver IpNetDriver_5
LogBeacon: Verbose: NetworkFailure ValkyrieBeaconClient_5: ConnectionTimeout
LogBeacon: Verbose: Online Beacon Failure: TransportError. beacon_network_failure
LogValkyrieBeacon: [3eab] (ValkyrieBeaconClient_5) AValkyrieBeaconClient::OnFailure - We have registered a failure in the Valkyrie beacon.
LogBeacon: Verbose: Client beacon (ValkyrieBeaconClient_5) connection failure, handling connection timeout.
LogBeacon: OnlineBeacon ValkyrieBeaconClient_5 requesting net driver destruction: Name:IpNetDriver_5 Def:BeaconNetDriver IpNetDriver_5
LogNet: SetPendingDestruction: 1 on Name:IpNetDriver_5 Def:BeaconNetDriver IpNetDriver_5)
LogValkyrieRequestManagerEditor: Warning: Encountered Network Error: UNetConnection::Tick: Connection TIMED OUT. Closing connection.. Elapsed: 30.01, Real: 30.01, Good: 30.01, DriverTime: 728.54, Threshold: 30.00, [UNetConnection] RemoteAddr: 3.144.65.221:15011, Name: IpConnection_5, Driver: Name:IpNetDriver_5 Def:BeaconNetDriver IpNetDriver_5, IsServer: NO, PC: NULL, Owner: ValkyrieBeaconClient_5, UniqueId: MCP:7553eca4dd7c4ed083d08db0fcfa6353
LogNet: NetworkFailure: ConnectionTimeout, Error: ‘UNetConnection::Tick: Connection TIMED OUT. Closing connection.. Elapsed: 30.01, Real: 30.01, Good: 30.01, DriverTime: 728.54, Threshold: 30.00, [UNetConnection] RemoteAddr: 3.144.65.221:15011, Name: IpConnection_5, Driver: Name:IpNetDriver_5 Def:BeaconNetDriver IpNetDriver_5, IsServer: NO, PC: NULL, Owner: ValkyrieBeaconClient_5, UniqueId: MCP:7553eca4dd7c4ed083d08db0fcfa6353’
LogNet: UNetConnection::Close: [UNetConnection] RemoteAddr: 3.144.65.221:15011, Name: IpConnection_5, Driver: Name:IpNetDriver_5 Def:BeaconNetDriver IpNetDriver_5, IsServer: NO, PC: NULL, Owner: ValkyrieBeaconClient_5, UniqueId: MCP:7553eca4dd7c4ed083d08db0fcfa6353, Channels: 5, Time: 2026.07.16-15.42.59, TimeSinceTickDispatch: 0.000227, TimeSinceRecv: 30.006635, TimeSinceTickFlush: 0.000120, TimeSinceSend: 0.183454
LogNet: UNetConnection::SendCloseReason:
LogNet: - Result=ConnectionTimeout, ErrorContext=“ConnectionTimeout”

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FORT-1126478’s status has changed to ‘Ready for QA’. A member of the QA department is investigating the issue.