Hello Montaser, I guess I have similar issues.
Please, check your browser console for errors.
Also check Joomla error reporting (set it to maximum).
---
I have issues with
some existing pages from a previous PB version.
Some do work though, currently I see no rule. Probably it depends on used AddOns.
I just see the editor sidebar, and site header and footer. Page main content is empty.
Newly created pages seem to work though. Can you confirm this?
Here is my
script error in frontend: