References to variables in External behavior trees set in the inspector disappear

[Jelly]

After setting the External Behavior Tree asset in the BehaviorTree Component, set the Shared variables in the inspector.
After that, if I delete some of the variables in the Shared variables in the External Behavior Tree asset, the references to the variables in the External behavior trees set in the inspector disappear.

Is this a specification? Am I wrong in my understanding?
Is there a better solution?

 

[Justin]

Project level assets (such as external behavior trees) cannot reference scene level assets. You'll need to load them at runtime if you are using an external tree (or prefab). This page has more info:

Referencing Scene Objects - Opsive

As you are creating your tree it is common practice to reference objects within the scene from a Shared Variable or task. For example, in . . .

opsive.com

 

[Jelly]

Thank you!
I would like to review the structure of the current project.