Notion data Base

1 / Yes, I juste chekced.

2/ Not sure about question 2. I am referring to couple formulas and the problem applies to each of them. Each formula has indeed a well defined output. On Notion, they are (here is the screen shot of one of them on Notion. They also imply relation and roll up

Also a capture of my scenario on make, I can give you access if you want.

Regards