Sticky sections (don't stick) for different size of desktops

Question:
Why sticky sections (don’t stick correctly / not positioning correctly) for different size of desktops ?

Product:
Wix Studio Editor

What are you trying to achieve:
. Design sections is ready
. Some sections sticks while scrolling

It appears correctly for a 2592 px
Not for smaller sizes of desktops

What have you already tried:
I have tried to apply IA to all sections…

Additional information:
[Include any other pertinent details or information that might be helpful for people to know when trying to answer your question.]

Have you tried adding new breakpoints or the tablet, mobile view?

I am actually working on different sizes of desktops.