Behavior Tree "class not found, make sure it's saved"

[yateam]

1. & 2) - I haven’t tried in a clean project. I will do that later.

2. I don’t use blueprints. My tasks are C++ classes based on UBTTask_BlackboardBase. Interesting thing that I have implemented a few of them - and they almost similar but for some reason only GoTo Task gives such results.