cook_failure error when launching session

General Issues and Bug Reporting
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1

Summary

When trying to launch session or load the map I get this error message:

We hit an error while cooking this content
errors.com.epicgames.content-service.cook_failure
CookJobId:beb0ca5d-6052-4dd4-bf6c-ffa13fc7bf04
An error occurred while communicating with the game servers (failed to cook module 27279254-44d6-0207-2e5f-27815b9c8c1a (artifact d6e679d3-0459-42b4-9890-9c63b9029f30:pc) (cookJobId beb0ca5d-6052-4dd4-bf6c-ffa13fc7bf04) with error code errors.com.epicgames.cookplugin.assetvalidationerror).

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Other

Steps to Reproduce

I wont lauch or load

Expected Result

The Island won´t load.

Observed Result

When I try to lauch a session in UEFN on PC I get this error.

Platform(s)

PC

Island Code

4476-3820-7092

Upload an image

Screenshot 2025-04-25 222125.png
Screenshot 2025-04-25 222125.png1132×736 610 KB

Additional Notes

I had the same issue with another map I updated yesterday. After deleting the updates and rebuilding them again it worked.

Thank you for looking into this!

2

Hey, I was having the same issue. To fix it, I ended up right clicking on my content folder and hitting resave all.

1 Like
3

hi Seabiscuit1005

I just tried it. Unfortunately it did not work on my maps.

Thank you for the suggestion