i am pretty new to all this as well so a few cinema 4d tips will also help

BUT

whenever i render the whole scene has so much grain how do i fix it ? or rather change it ? https://prnt.sc/2rsUwKHKFIrS

and does normal c4d lightning suppose to not work in centileo render?

the auto IPR function isn't working for me it's not responding only manual

also

when i try to make a material it gives me an error : "at first select centileo nodespace or centileo render engine

i need some help