Package error UE4

LogLinker: Warning: Can’t find file ‘/Game/NewLevelSequence’
LogLinker: Warning: Can’t find file ‘/Game/NewLevelSequence’
LogUObjectGlobals: Warning: Failed to find object ‘Object /Game/NewLevelSequence.NewLevelSequence’
PackagingResults: Error: Launch failed! Unknown Error
PackagingResults: Error: Launch failed! Unknown Error
LogStaticLightingSystem: Warning: No importance volume found, so the scene bounding box was used. You can optimize your scene’s quality and lighting build times by adding importance volumes.
LogUObjectHash: Warning: Ambiguous search, could be Package /Game/main_menu/main_menu_level./Game/main_menu/main_menu_level_BuiltData or Package /Game/main_menu/main_menu_level_BuiltData
PackagingResults: Error: Launch failed! Unknown Error
LogUObjectHash: Warning: Ambiguous search, could be Package /Game/main_menu/main_menu_level./Game/main_menu/main_menu_level_BuiltData or Package /Game/main_menu/main_menu_level_BuiltData
PackagingResults: Error: Launch failed! Unknown Error
LogTexture: Warning: Failed to stream mip data from the derived data cache for /Game/Level_1_BuiltData.Level_1_BuiltData:LQ_Lightmap_0_1. Streaming mips will be recached.
LogTexture: Warning: Failed to stream mip data from the derived data cache for /Game/Level_1_BuiltData.Level_1_BuiltData:LQ_Lightmap_0_2. Streaming mips will be recached.
LogTexture: Warning: Failed to stream mip data from the derived data cache for /Game/Level_1_BuiltData.Level_1_BuiltData:LQ_Lightmap_1_3. Streaming mips will be recached.
LogTexture: Warning: Failed to stream mip data from the derived data cache for /Game/Level_1_BuiltData.Level_1_BuiltData:HQ_Lightmap0_1. Streaming mips will be recached.
LogTexture: Warning: Failed to stream mip data from the derived data cache for /Game/Level_1_BuiltData.Level_1_BuiltData:HQ_Lightmap0_2. Streaming mips will be recached.
LogTexture: Warning: Failed to stream mip data from the derived data cache for /Game/Level_1_BuiltData.Level_1_BuiltData:HQ_Lightmap1_3. Streaming mips will be recached.
PackagingResults: Error: Launch failed! Unknown Error
LogPhysics: Warning: FConstraintInstance::GetRefFrame : Contained scale.
LogPhysics: Warning: FConstraintInstance::GetRefFrame : Contained scale.
LogPhysics: Warning: FConstraintInstance::GetRefFrame : Contained scale.
LogPhysics: Warning: FConstraintInstance::GetRefFrame : Contained scale.
PackagingResults: Error: Launch failed! Unknown Error
LogPhysics: Warning: FConstraintInstance::GetRefFrame : Contained scale.
LogPhysics: Warning: FConstraintInstance::GetRefFrame : Contained scale.
LogPhysics: Warning: FConstraintInstance::GetRefFrame : Contained scale.
LogPhysics: Warning: FConstraintInstance::GetRefFrame : Contained scale.
PackagingResults: Error: Launch failed! Unknown Error

1 Like

Hi. I have the same problem. How you resolv it?