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Cant package project please help

EDIT: Solved !! Deleted like 3 unhooked nodes in one of my animBPs, apparently the packager thing HATES that

Hi I am unable to package my UE5 EA2 project for Windows using Unreal Frontend, for some reason it keeps failing, but it packaged fine yesterday. The only change I made was editing a widget blueprint, which I tried deleting and also clearing of any code, but it doesn’t make a difference.

I have this huge block of errors repeated twice in the log every time. Build settings are By the book, do not deploy, single pak file, tried development and also shipping.

LogInit: Display: LogOutputDevice: Error: begin: stack for UAT
LogInit: Display: LogOutputDevice: Error: === Handled ensure: ===
LogInit: Display: LogOutputDevice: Error:
LogInit: Display: LogOutputDevice: Error: Ensure condition failed: SelfScope [File:D:/build/++UE5/Sync/Engine/Source/Runtime/Engine/Private/MemberReference.cpp] [Line: 81]
LogInit: Display: LogOutputDevice: Error: Stack:
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd670436b9 UnrealEditor-Engine.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd763902c8 UnrealEditor-BlueprintGraph.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd76423e05 UnrealEditor-BlueprintGraph.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd76427e97 UnrealEditor-BlueprintGraph.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd764176db UnrealEditor-BlueprintGraph.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd66aed894 UnrealEditor-Engine.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd88a1f628 UnrealEditor-KismetCompiler.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd88a1e98b UnrealEditor-KismetCompiler.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd76700ae7 UnrealEditor-AnimGraph.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd889f4681 UnrealEditor-KismetCompiler.dll!UnknownFunction []’
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd889f7f09 UnrealEditor-KismetCompiler.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd889ec084 UnrealEditor-KismetCompiler.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd656e2a27 UnrealEditor-Kismet.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd656dfd43 UnrealEditor-Kismet.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd7adfc250 UnrealEditor-CoreUObject.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd7b08e5e9 UnrealEditor-CoreUObject.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd7b08c6ed UnrealEditor-CoreUObject.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd7b08eb4b UnrealEditor-CoreUObject.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd7b0b439c UnrealEditor-CoreUObject.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd7b20a59d UnrealEditor-CoreUObject.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd7b20907a UnrealEditor-CoreUObject.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd7b2096e0 UnrealEditor-CoreUObject.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd78cdee5f UnrealEditor-UnrealEd.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd78cdf0a6 UnrealEditor-UnrealEd.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd78cf54b0 UnrealEditor-UnrealEd.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd78d13cde UnrealEditor-UnrealEd.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd78b3d216 UnrealEditor-UnrealEd.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffd78b6001c UnrealEditor-UnrealEd.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ff79c6c910e UnrealEditor-Cmd.exe!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ff79c6c095c UnrealEditor-Cmd.exe!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ff79c6c0c0a UnrealEditor-Cmd.exe!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ff79c6d573d UnrealEditor-Cmd.exe!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ff79c6d7a3e UnrealEditor-Cmd.exe!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffdcc677034 KERNEL32.DLL!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00007ffdce542651 ntdll.dll!UnknownFunction []
LogInit: Display: LogOutputDevice: Error: end: stack for UAT

Any help very appreciated thanks

Could your project be referencing a function in the blueprint you edited/deleted, hence the unknown function error

Hi thanks for reply, I think that might be possible, I tried opening and saving any blueprint that I changed between the time it did package and the time it didn’t and it did not fix the problem. I also tried validating all content folders, and I rebuilt all levels. Is there any way to tell which blueprint might be causing the error? Also I edited the post with the full error, when I originally copy and pasted it, I didn’t get it all for some reason.

Thanks

I saw someone else have the same issue recently, based on your log files. Take a look at this issue and see if the solution helps

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Thanks so much ! I went through every animBP in my project and only one had literally like 3 unhooked nodes, apparently the packager must hate that because I deleted them and now packaged with frontend with no errors. Thank you !!

Fantastic. Glad it’s all working now :slight_smile: