# Can't launch a UEFN session!

**URL:** <https://forums.unrealengine.com/t/cant-launch-a-uefn-session/2057156>\
**Category:** Issues and Bug Reporting\
**Tags:** unreal-engine, bug-report\
**Created:** [October 7, 2024, 1:52pm UTC](https://forums.unrealengine.com/t/cant-launch-a-uefn-session/2057156 "2024-10-07T13:52:30Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![finnppp](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@finnppp](https://forums.unrealengine.com/u/finnppp)\
**Post date:** [October 7, 2024, 1:52pm UTC](https://forums.unrealengine.com/t/cant-launch-a-uefn-session/2057156/1 "2024-10-07T13:52:30Z")

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### Summary

Hello,

I am trying to launch a session in my game but this error message pops up. (Attached in the image)

### Please select what you are reporting on:

Unreal Editor for Fortnite

### What Type of Bug are you experiencing?

Assets

### Steps to Reproduce

No idea.

### Expected Result

Error message

### Observed Result

Error message

### Platform(s)

PC

### Island Code

- 

### Additional Notes

None

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<div class="post-metadata">

**Author:** ![finnppp](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@finnppp](https://forums.unrealengine.com/u/finnppp)\
**Post date:** [October 7, 2024, 1:53pm UTC](https://forums.unrealengine.com/t/cant-launch-a-uefn-session/2057156/2 "2024-10-07T13:53:19Z")

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![Schermafbeelding 2024-10-06 120244](https://d3kjluh73b9h9o.cloudfront.net/original/4X/1/6/1/161dca97c5c755fe9be66bc3fd2d46fde1986135.png)

 ![Schermafbeelding 2024-10-03 163118](https://d3kjluh73b9h9o.cloudfront.net/original/4X/8/4/a/84a9c08347d726b5657b72b2d206e084d57214e2.png)

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<div class="post-metadata">

**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:** [October 7, 2024, 7:51pm UTC](https://forums.unrealengine.com/t/cant-launch-a-uefn-session/2057156/3 "2024-10-07T19:51:19Z")

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hi @finnppp  
found dis allowed asset

 ![founddis](https://d3kjluh73b9h9o.cloudfront.net/original/4X/3/e/9/3e9c25f426adf1a7b0bad1df72e1c743f8892cdc.png)  
see

[Asset Validation Issues - Issues and Bug Reporting / UEFN Validation - Epic Developer Community Forums (unrealengine.com)](https://forums.unrealengine.com/t/asset-validation-issues/817504)

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<div class="post-metadata">

**Author:** ![finnppp](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@finnppp](https://forums.unrealengine.com/u/finnppp)\
**Post date:** [October 7, 2024, 9:55pm UTC](https://forums.unrealengine.com/t/cant-launch-a-uefn-session/2057156/4 "2024-10-07T21:55:06Z")

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Hello,

I already figured that out the thing is what asset this is as there isnt any data about that just the level.