I am trying to make a simple waypoint system for my NPCs to move around. Basically I want my waypoint blueprint to set a blackboard key vector value for my NPC. However the key never gets set and I get this error log;
Error Blueprint Runtime Error: Accessed None trying to read property CallFunc_GetBlackboard_ReturnValue from function: ‘ExecuteUbergraph_Waypoint_Behavior_A’ from node: Set Value as Vector in graph: EventGraph in object: Waypoint_Behavior_A with description: Accessed None trying to read property CallFunc_GetBlackboard_ReturnValue
This is my waypoint blueprint;
This is my blackboard;
And this is my behavior tree;
I have tried printing the Current Waypoint location to a string and that turned valid. So did the NPC Master character variable.
Any thoughts on what I am doing wrong? I also posted my question here in the answerhub but thought some people here might know what is going on Accessed none error when trying to set blackboard value as vector - UE4 AnswerHub
Thanks in advance