I ran into this problem today. Here’s the solution that worked for me, in case anyone stumbles across it.
I had ‘Reset Orientation and Position’ node set to Orientation, instead of Position. This node might be in the MotionControllerPawn blueprint by default. You can find it in the VirtualRealityBP/Blueprints folder.
Here’s how to set the playspace position when putting on the headset and with a button click:
