Error Accessed none trying to reed property from callfunc_GetBlackboard_ReturnValue in Level Blueprint
There is not enough information here. So, im assuming your referencing an Ai character in your level blueprint? Did you tell your Ai Controller to run a behavior tree on its begin play? Did you give your Ai your own custom controller? Did you assign it to your Ai controller? And most likely your problem is that your doing this in the level blueprint which is almost never a good idea.
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