Behavior Tree there's bug?

i’ve done and check many times i did exactly the same things but it still didn’t work for me please check if there’s something wrong or any bug

  • after i hit play my enemies didn’t follow me

Does anyone encounter issue like me ?

https://docs.unrealengine.com/latest/INT/Engine/AI/BehaviorTrees/index.html

Check again all steps from documentation. Thats really help.
Check names and types of all variables in BT, in Aggro blueprint. Section 5
Check AI Blueprint setuped to your pawn, Section 6
Check that you run your BT, Section 8