Hey there @AhmedH.Salama! What sort of Anti Aliasing are you using for your project? Temporal AA variants cause issues with lumen when trying to settle. Aside from that, here’s a couple of threads that have some settings that help reduce lumen noise:
Unfortunately, i tried to change the type of anti aliasing in the project settings but nothing worked. I saw the other two posts and applied the solutions on my file but nothing worked also.
