I took a look at your Builder page and I’m not able to reproduce this, is this resolved on your end?
no, not resolved, Unfortunately.
i have this problem only google chrome browser
Okay! I am able to view the page content on Google Chrome. If you remove the preview URL, does the content show? Are you able to view the content on other browsers?
yes, on other browsers and in Private Mode in google chrome i am able to view the content