Hi, I need some urgent help!

I'm making a project for my thesis but I do not know why CLO gives me a lot of problems with the final render.

I'm working with a Macbook Pro 14" with 16Gb RAM.

 

For example:

- It takes 6 hours rendering and then freezes, without saving the file.

- After 30 minutes it freezes and then crash

 

I tried uninstalling the program and reinstalling it. I also tried to download the previous version of CLO, but with no improvements. I tried to clean up the PC, close all programs and leave only CLO open.

If anyone has any idea how to fix please comment below!!!!!

Thank you!