Hi,
You don’t have to do anything with sectionID. If you don’t want to display particular section you can hide that section.
Please check the documentation to customize the theme
https://gracethemes.com/documentation/medplus-doc/
Please send your website URL and WordPress admin login details at [email protected] and also please mention which section you don’t want to display. We will check your site and solve your problem.
Regards
Grace Themes