# \[CRITICAL\] Failed to cook, character is being killed in the uefn lobby

**URL:** <https://forums.unrealengine.com/t/critical-failed-to-cook-character-is-being-killed-in-the-uefn-lobby/2559279>\
**Category:** Issues and Bug Reporting\
**Tags:** fortnite-creative, unreal-editor-for-fortnite, fixed, fortnite\
**Created:** [June 15, 2025, 10:46pm UTC](https://forums.unrealengine.com/t/critical-failed-to-cook-character-is-being-killed-in-the-uefn-lobby/2559279 "2025-06-15T22:46:23Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**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:** [June 17, 2025, 3:04pm UTC](https://forums.unrealengine.com/t/critical-failed-to-cook-character-is-being-killed-in-the-uefn-lobby/2559279/7 "2025-06-17T15:04:16Z")

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hi,  
Do your islands use streaming? In another post, there was cook problem .  
The post basically is something to do with HLOD streaming works

> [@Cook fails on Push, but works with Launch](https://forums.unrealengine.com/t/cook-fails-on-push-but-works-with-launch/2548214/13):
>
> After removing the Streaming (`World Settings -> Enable Streaming = False`) and also removing all Data Layers (`Data Layers -> Select All -> Delete Selected Data layers`), the ability to Launch works

[Cook fails on Push, but works with Launch - General / Issues and Bug Reporting - Epic Developer Community Forums](https://forums.unrealengine.com/t/cook-fails-on-push-but-works-with-launch/2548214/13)

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