Problem with Dragging a new Line in BehaviorTree

Development Programming & Scripting AI
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1

Hi there…

I wanted to dive into AI today… got a Tutorial… got an AIController, BehaviorTree and Blackboard…

Now… i stuck at the very first thing in the BehaviorTree…
I can´t drag a new line (arrow) from the root node… it just wants to move the whole Root Node, or just draws a selection Marquee… the Button on the Node shines yellow when hovering it… but i can´t drag anything out of it…

Is this a known Thing?

2

OK…

I tried to reinstall UE4.27 multiple times now… Disabled all Plugins… tried with a source build of UE4.27…

I can’t drag out a Link from the Root Node of a BehaviorTree…