assetvalidationerror = asset validation error
Please use the documentation
Validation and Fix-Up Tool in Unreal Editor for Fortnite | Fortnite Documentation | Epic Developer Community
Asset Validation Issues - General / Issues and Bug Reporting - Epic Developer Community Forums
PlatformCook: Error: Se ha producido un error al comunicarse con los servidores del juego (failed to cook module cae7bafd-4f55-d587-e1e6-48a302011367 (artifact f5249949-e109-4891-aea5-ad092c50e147:linux-server) (cookJobId 0176a35b-45bc-4f66-b513-eaf747704c57) with error code errors.com.epicgames.cookplugin.assetvalidationerror)