# \[LAUNCHING SESSION\] - MAJOR Issue **URL:** \ **Category:** Issues and Bug Reporting\ **Tags:** fortnite-creative, unreal-editor-for-fortnite, fortnite\ **Created:** [August 16, 2024, 2:09pm UTC](https://forums.unrealengine.com/t/launching-session-major-issue/1978593 "2024-08-16T14:09:58Z")\ **Posts on this page:** 1\ **Showing post:** 29
**Author:** ![Jimbohalo10](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/jimbohalo10/32/961440_2.png) [@Jimbohalo10](https://forums.unrealengine.com/u/Jimbohalo10)\ **Post date:** [August 17, 2024, 11:33pm UTC](https://forums.unrealengine.com/t/launching-session-major-issue/1978593/29 "2024-08-17T23:33:48Z")
> [@addezero75](#): > > LogValkyrieRequestManagerEditor: Warning: Encountered Network Error! > 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: 20.01, Real: 20.01, Good: 20.01, Hi all This is a problem with network, which brings you back to lobby, probably higher ping rates Run “verify” as the message says local iostore is missing Niagara assets, then use Unreal Revision Control to make sure your local copy is sync with remote server [UEFN - Content Service (epicgames.com)](https://content-service.bfda.live.use1a.on.epicgames.com/#/my-projects) Look at this post for 30.00 [Numerous warnings caused by Niagara assets used by Fortnite occur when launching the project](https://forums.unrealengine.com/t/numerous-warnings-caused-by-niagara-assets-used-by-fortnite-occur-when-launching-the-project/1875102/8) then [Blueprint Niagara fix picture](https://forums.unrealengine.com/t/numerous-warnings-caused-by-niagara-assets-used-by-fortnite-occur-when-launching-the-project/1875102/18) --- _[View the full topic](https://forums.unrealengine.com/t/launching-session-major-issue/1978593)._