Platform Cook error

Summary

When I try to lunch my testing session I get an error:

PlatformCook: Error: We hit an error while cooking this content
PlatformCook: Error: errors.com.epicgames.content-service.cook_failure
PlatformCook: Error: CookJobId:18d18596-f609-42f0-a4f8-37afa820ae2c
PlatformCook: Error: An error occurred while communicating with the game servers (failed to cook module e42acd3a-49fc-0b42-b8ac-4aafec28daf3 (artifact 665a18a2-99aa-476b-bc17-d1d9ab72e0b9:linux-server) (cookJobId 18d18596-f609-42f0-a4f8-37afa820ae2c) with error code errors.com.epicgames.cookplugin.assetvalidationerror).

Pls help me find a solution because this is my first time getting this error.

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Other

Steps to Reproduce

After opening the project, lunch the session and wait 3 minutes.

Expected Result

It should get me on the map in fortnite

Observed Result

I get this error and I can t join the map

Platform(s)

windows

Island Code

2336-9903-4218

Upload an image

Screenshot 2025-04-30 194613.png