Shadows Disappear at Minimal Change in Camera Angle

Need some help with this irritating problem.
If I move the camera ever so slightly to the right all the shadows in the map disappear.
This happens in the editor and also in the vr hmd.

I’ve been researching problematic lighting issues for hours
I have tried changing the cascade distance, the radius threshold and other things I simply can’t remember.

I can resize my editor screen and the same problem occurs so it has SOMETHING to do with screen size. This is the directional light were working with here. It happens whether on movable or stationary.

Anybody dealt with this in the past? This only happens in one of my maps so I’m at a dire loss as to why shadows just instantly disappear like this.