Packaging Errors in UE 5.1

I tried to Package my project for the first time, and have been getting errors, does anyone know how to solve this issue?

UATHelper: Packaging (Windows): Script Stack (0 frames) :
UATHelper: Packaging (Windows): LogWindows: Error: appError called: Assertion failed: bCustomPropertyListForPostConstructionInitialized [File:D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\BlueprintGeneratedClass.cpp] [Line: 847]
UATHelper: Packaging (Windows): Custom Property List Not Initialized for /Game/SurvivalGameKitV2/Components/BP_MasterInventory.BP_MasterInventory_C
PackagingResults: Error: appError called: Assertion failed: bCustomPropertyListForPostConstructionInitialized [File:D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\BlueprintGeneratedClass.cpp] [Line: 847]
UATHelper: Packaging (Windows): LogWindows: Error: begin: stack for UAT
UATHelper: Packaging (Windows): LogWindows: Error: === Critical error: ===
UATHelper: Packaging (Windows): LogWindows: Error:
UATHelper: Packaging (Windows): LogWindows: Error: Assertion failed: bCustomPropertyListForPostConstructionInitialized [File:D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\BlueprintGeneratedClass.cpp] [Line: 847]
UATHelper: Packaging (Windows): LogWindows: Error: Custom Property List Not Initialized for /Game/SurvivalGameKitV2/Components/BP_MasterInventory.BP_MasterInventory_C
UATHelper: Packaging (Windows): LogWindows: Error:
UATHelper: Packaging (Windows): LogWindows: Error:
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd4bdf5764 UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd511a90cd UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd511b108e UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd511853ef UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd511c5394 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50fe9c26 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50d6dcea UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50d6e2da UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50d5ef76 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50d49886 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50d4970e UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50d4d4bd UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50d42e3e UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50fe8b19 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd5101241e UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd510383b5 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50fdba68 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd4fc3af22 UnrealEditor-Core.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd5110b77a UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd51106286 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd51108132 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50ef2a70 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50ef045f UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd510a9bc4 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd510a7ec3 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd510a787b UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd4cfc5506 UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd51019c5e UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd4cfb3e70 UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd1728d8bd UnrealEditor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd4bd9e5a0 UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50d5f2e2 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50d49886 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd5101a106 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50fea059 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50feb491 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd510125d8 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: begin: stack for UAT
PackagingResults: Error: === Critical error: ===
PackagingResults: Error: Assertion failed: bCustomPropertyListForPostConstructionInitialized [File:D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\BlueprintGeneratedClass.cpp] [Line: 847]
PackagingResults: Error: Custom Property List Not Initialized for /Game/SurvivalGameKitV2/Components/BP_MasterInventory.BP_MasterInventory_C
PackagingResults: Error: [Callstack] 0x00007ffd4bdf5764 UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd511a90cd UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd511b108e UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd511853ef UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd511c5394 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50fe9c26 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50d6dcea UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50d6e2da UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50d5ef76 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50d49886 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50d4970e UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50d4d4bd UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50d42e3e UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50fe8b19 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd5101241e UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd510383b5 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50fdba68 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd4fc3af22 UnrealEditor-Core.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd5110b77a UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd51106286 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd51108132 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50ef2a70 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50ef045f UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd510a9bc4 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd510a7ec3 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd510a787b UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd4cfc5506 UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd51019c5e UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd4cfb3e70 UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd1728d8bd UnrealEditor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd4bd9e5a0 UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50d5f2e2 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50d49886 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd5101a106 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50fea059 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50feb491 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd510125d8 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50fe800d UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50feb491 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd510125d8 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd510383b5 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50fdb87e UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd4fc3ae82 UnrealEditor-Core.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd511061a0 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd51108132 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50ef2a70 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50ef045f UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd4d529535 UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50eef5c4 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd51107b5b UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd51103db3 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd51108132 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50ef2a70 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50ef045f UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd4d529535 UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50eef5c4 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd51107b5b UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd51108132 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50ef2a70 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50ef045f UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd4d529535 UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50eef5c4 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd4c16455e UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd4c18e59d UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd4c18e2ab UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd4c12a84f UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd51019c5e UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd10f42e4d UnrealEditor-BlueprintGraph.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd1728d78a UnrealEditor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd4bd9e5ed UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50d5f2e2 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50d49886 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50d4d4bd UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50d6c6d8 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50d497d5 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd5101a106 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50fea059 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd5101241e UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50fe8983 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd5101241e UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50fe8983 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50fea4bb UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd51013761 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd511ad9eb UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50d6c049 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50d6baef UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50d4971f UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd5101a106 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50fea059 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd5101241e UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50fe8983 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd5101241e UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffd50fe8983 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error:
PackagingResults: Error: [Callstack] 0x00007ffd50fe800d UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50feb491 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd510125d8 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd510383b5 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50fdb87e UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd4fc3ae82 UnrealEditor-Core.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd511061a0 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd51108132 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50ef2a70 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50ef045f UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd4d529535 UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50eef5c4 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd51107b5b UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd51103db3 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd51108132 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50ef2a70 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50ef045f UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd4d529535 UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50eef5c4 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd51107b5b UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd51108132 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50ef2a70 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50ef045f UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd4d529535 UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50eef5c4 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd4c16455e UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd4c18e59d UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd4c18e2ab UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd4c12a84f UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd51019c5e UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd10f42e4d UnrealEditor-BlueprintGraph.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd1728d78a UnrealEditor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd4bd9e5ed UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50d5f2e2 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50d49886 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50d4d4bd UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50d6c6d8 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50d497d5 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd5101a106 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50fea059 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd5101241e UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50fe8983 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd5101241e UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50fe8983 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50fea4bb UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd51013761 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd511ad9eb UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50d6c049 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50d6baef UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50d4971f UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd5101a106 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50fea059 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd5101241e UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50fe8983 UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd5101241e UnrealEditor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd50fe8983 UnrealEditor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: end: stack for UAT
UATHelper: Packaging (Windows): Took 42.0276731s to run UnrealEditor-Cmd.exe, ExitCode=3
PackagingResults: Error: end: stack for UAT
UATHelper: Packaging (Windows): ERROR: Cook failed.
UATHelper: Packaging (Windows): (see C:\Users\bengi\AppData\Roaming\Unreal Engine\AutomationTool\Logs\E+Program+Files+(x86)+UE_5.1\Log.txt for full exception trace)
UATHelper: Packaging (Windows): AutomationTool executed for 0h 1m 2s
UATHelper: Packaging (Windows): AutomationTool exiting with ExitCode=25 (Error_UnknownCookFailure)
PackagingResults: Error: Cook failed.
UATHelper: Packaging (Windows): BUILD FAILED
PackagingResults: Error: Unknown Cook Failure

Any solution? I’ve got a similar problem.

me there is folder or anything 5.1 + 5.0 = trash , they fixed the error in 5.2 and above im sure maybe we can change some cooking settings or packaging idk im new