Chaos Corona for Cinema 4D > [C4D] I need help!

Help! Blocky artefacts from sunlight

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davetwo:
I have a scene wih a directional sunlight (physical sun) on a wall. For some reasoin it is causing square artefacts on the wall (see pic).

I have tried changing the wall geo/phong/materials. Plus changing to solver to 4k/path tracing. Plus copying everything into a new file.  Nothing seems to help.

Any ideas?

Beanzvision:
Did you try unchecking the adaptive light solver in the performance settings? I recall something like this a while ago and this was the issue. Good luck.

davetwo:
Just tried turning the adaptive loght solver off - and it has indeed got rid of those  block artefacts!
Thanks Bengamin for the speedy reply - I though I'd seen a similar problem, but couldn't find it on the forum.

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