# Can't launch session UEFN **URL:** \ **Category:** Issues and Bug Reporting\ **Tags:** fortnite-creative, unreal-editor-for-fortnite, fortnite\ **Created:** [November 13, 2024, 2:05pm UTC](https://forums.unrealengine.com/t/cant-launch-session-uefn/2120186 "2024-11-13T14:05:53Z")\ **Posts on this page:** 10\ **Page:** 1
**Author:** ![lilplumbo](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@lilplumbo](https://forums.unrealengine.com/u/lilplumbo)\ **Post date:** [November 13, 2024, 2:05pm UTC](https://forums.unrealengine.com/t/cant-launch-session-uefn/2120186/1 "2024-11-13T14:05:53Z")
### Summary When clicking launch session in uefn i’m met with a message saying validation failed and a 502 bad gateway error ### Please select what you are reporting on: Unreal Editor for Fortnite ### What Type of Bug are you experiencing? Matchmaking ### Steps to Reproduce Press launch session in a UEFN project ### Expected Result behaving like normal, but since the update v32.10 it can’t launch ### Observed Result validation failed ### Platform(s) PC ### Island Code 7114-2383-6318 ### Additional Notes I expect this is because of the new update but i’m posting this just to be sure. I hoped the chest and ammo gallery got updated so i tried checking it out and now i’m met with errors. ---
**Author:** ![lilplumbo](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@lilplumbo](https://forums.unrealengine.com/u/lilplumbo)\ **Post date:** [November 13, 2024, 2:06pm UTC](https://forums.unrealengine.com/t/cant-launch-session-uefn/2120186/2 "2024-11-13T14:06:39Z")
![Schermafbeelding 2024-11-13 150036](https://d3kjluh73b9h9o.cloudfront.net/original/4X/3/c/2/3c274390d6cdbdf5d5b29234cc751e342bc1a6fb.jpeg) ---
**Author:** ![Gabriellho](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Gabriellho](https://forums.unrealengine.com/u/Gabriellho)\ **Post date:** [November 13, 2024, 2:08pm UTC](https://forums.unrealengine.com/t/cant-launch-session-uefn/2120186/3 "2024-11-13T14:08:30Z")
same here ---
**Author:** ![Dormikon](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Dormikon](https://forums.unrealengine.com/u/Dormikon)\ **Post date:** [November 13, 2024, 2:13pm UTC](https://forums.unrealengine.com/t/cant-launch-session-uefn/2120186/4 "2024-11-13T14:13:01Z")
Same here, but not with the current but the update before. It resolved itself after 2 days, probably a bad connection to the servers. I was relieved that it was no error in my map. ---
**Author:** ![WSweasy](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@WSweasy](https://forums.unrealengine.com/u/WSweasy)\ **Post date:** [November 13, 2024, 2:13pm UTC](https://forums.unrealengine.com/t/cant-launch-session-uefn/2120186/5 "2024-11-13T14:13:51Z")
same problem here ---
**Author:** ![ZeroShotBob](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/zeroshotbob/32/1069797_2.png) [@ZeroShotBob](https://forums.unrealengine.com/u/ZeroShotBob)\ **Post date:** [November 13, 2024, 2:17pm UTC](https://forums.unrealengine.com/t/cant-launch-session-uefn/2120186/6 "2024-11-13T14:17:28Z")
same problem for me too ---
**Author:** ![lilplumbo](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@lilplumbo](https://forums.unrealengine.com/u/lilplumbo)\ **Post date:** [November 13, 2024, 2:25pm UTC](https://forums.unrealengine.com/t/cant-launch-session-uefn/2120186/7 "2024-11-13T14:25:21Z")
I (think) i fixed it, 1. click on the 3 dots next to launch session, click validate project, and remove any objects/assets that are causing problems 2. (this may not be for everyone but:) remove the content of your referenced content folder. I can now successfully launch a session. This fix is for the people that don’t need/use any assets in the referenced content folder. ---
**Author:** ![lilplumbo](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@lilplumbo](https://forums.unrealengine.com/u/lilplumbo)\ **Post date:** [November 13, 2024, 2:32pm UTC](https://forums.unrealengine.com/t/cant-launch-session-uefn/2120186/8 "2024-11-13T14:32:47Z")
![Schermafbeelding 2024-11-13 153154](https://d3kjluh73b9h9o.cloudfront.net/original/4X/0/e/e/0ee029ce7aa3847da3c008681551a8341a94a5bd.jpeg) **UPDATE:** session did launch but there’s still a bad gateway error. ---
**Author:** ![Flak](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/flak/32/769441_2.png) [@Flak](https://forums.unrealengine.com/u/Flak)\ **Post date:** [November 13, 2024, 2:58pm UTC](https://forums.unrealengine.com/t/cant-launch-session-uefn/2120186/9 "2024-11-13T14:58:37Z")
We’re checking into it: > [@Fortnite Ecosystem v32.10 with Known Issues](https://forums.unrealengine.com/t/fortnite-ecosystem-v32-10-with-known-issues/2119829/4): > > We’re investigating a number of issues related to UEFN and Creative connectivity, which is causing matchmaking issues across a number of experiences and some Creator services to timeout. We’re delaying the publishing of TMNT islands until we’re able to resolve these issues. We will keep you posted. ---
**Author:** ![Bug-Reporter](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/bug-reporter/32/997076_2.png) [@Bug-Reporter](https://forums.unrealengine.com/u/Bug-Reporter)\ **Post date:** [November 13, 2024, 5:06pm UTC](https://forums.unrealengine.com/t/cant-launch-session-uefn/2120186/10 "2024-11-13T17:06:17Z")
The status of FORT-821362 incident has been moved from ‘Needs Triage’ to ‘Closed’. Resolution Reason: ‘Cannot Reproduce’