How can i fix this packaging error?

Development Platform & Builds
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1

You can find the asset causing this by building the engine from source and adding breakpoints [here][1] and [here][2]. Loading the project then already triggers the breakpoints. In the stacktrace you can then find the call to UObject::Serialize(FArchive & Ar) which will reveal the name of the asset that is causing the issue:

1838×322 16.8 KB

In my case it was BT_Unit_Default. Which is a Behavior tree. I made a new Behavior tree and copied all the nodes into it and that fixed the issue. I guess it was some internal error in the behavior tree.

2

Please, help me with this issue! I am an architect (not a programmer) and i having some dificult to know what is happened.
I did an architecture waktrought aplication and i put some functions like “open the doors”, “change textures”, “turn on the ligths” e etc.
When i try to package, the output log shows this error: “UATHelper: Packaging (Windows (64-bit)): LogInit: Display: LogLinker: Error: Bad name index -1/131” and follow with this “UATHelper: Packaging (Windows (64-bit)): ERROR: Cook failed.” and this “UATHelper: Packaging (Windows (64-bit)): BUILD FAILED
PackagingResults: Error: Unknown Cook Failure”
I’ve already read almost every issue in this answer hub and i didn’t find a solution.
The whole log is attached with this message.

link text

3

I’ve already saw your answer in other posts. The links in your message are offline and how can i use this “stacktrace” to find the call? Please be a little more paciente and explain how to do this step by step because there are many users that are not programmers and having the same issue.
Thanks.

4

You have to get the Unreal source and build it from that.
See: Downloading Unreal Engine Source Code | Unreal Engine Documentation
Then: Building Unreal Engine from Source | Unreal Engine Documentation
When you have access to the Unreal source those links will work.
Once you find the right files in Visual Studio setting a breakpoint is as easy as the right mouse button → add breakpoint. Once you hit the breakpoint it will look something like my image and you should be able to find the right entry there.