can not add widget to home page

hello all! tried to translate my site,and add a multilang widget in my home page.
got this error: Your theme has 1 widget area, but this particular page doesn’t display it.
using engitech theme…any help please?

Hi @henrydinos,

Please contact the author of your purchased theme, the theme author will assist you.

How to contact an author to get support or for any technical query: