AR Camera overlay not working in 4.26 (ARKit)

I’ve found that a project made with ARKit on version 4.26.1 also shows a black background screen on my iPhone 6s when it is loaded. After searching and using other solutions found on Unreal forums I discovered that after loading the same AR project onto version 4.25.4 the scene opened perfectly! Version 4.26.1 seems to be the culprit…