ARKit 2 : Place 3D objects using ARKit causes screen to freeze in Xcode 10.1 and iOS 12

Question

I am placing virtual objects in real environments using ARKit. It is worked fine in Xcode 9 and iOS 11. But when i have updated Xcode and iOS, if I place virtual objects in detected plane it is getting freeze and if I rotate camera, camera also continuously braking. I am getting following log in Xcode

World tracking performance is being affected by resource constraints 1

Guide me to this problem.

Answer 1

Only allow Portrait Device Orientation. It resolved this error for me.