Is this a bug?

[longchau1210]

I'm using Unity Editor 2022.3.62f3. Android platform.
Here is my behaviour tree, and I open it from prefab.

Looks normal.

But when I exit prefab editor and select from Hierachy:


It shows nothing:



And this is error log:

 

[longchau1210]

Here are some another logs:

 

[longchau1210]

I think I solved the problem by discard changes of my saved scene. Maybe conflict between saved scene and the prefab is the problem.
Luckily, I have git version control.