GI Changes as camera moves (Lumen GI)

I have made a very simple test scene to demonstrate an issue i am seeing. My setup uses a simple SkyLight with and HDR map assigned for my ambient. But as i move around my scene you can see the GI on the walls pop and change… I am using Lumen, with H/W Raytracing in UE 5.2

(Video of it happening)

I can’t figure out how to resolve it, or more importantly why it happens. Nothing else in my scene i moving…

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