Behaviour Tree task node, Vector KeyValue in blackboard invalid

Development Programming & Scripting Blueprint
2

I solve this problem by my self as see the toturial again and again.

The task node must assign the “PotrolLocation” variable once by following steps :

  1. check “Instance Editable” in the valiable detail.
  2. go back to the BT, select the task node witch the “Set Blackboard Value as Vector” node.
  3. select a blackboard key to the “PotrolLocation” valiable. thus, the “PotrolLocation” variable key should be set to “PotrolLocation” which in blackboard.
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