L-shape Shadow Artifact

I’m encountering this weird L-shaped shadow artifact on a flat wall in my interior scene. I tried to move my camera around and it’s only visible from certain angle.

The light source I’m currently using is a stationary point light and the material of the wall is from Quixel Megascan.
If anyone has encountered this and can point out what the problem is it would be very helpful!
Thanks in advance.

I noticed this starting in 5.0ea with RT shadows, I never found a fix. Try matching the Inner Cone Angle with the Outer Cone Angle, should help reduce it.

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