No posts were found when switching language.

Hi guys,
I need to link direct to homepage or relate page on my website when switching language.

My website doesn’t have any post, but when i switch language it keeping show no post was found. I can’t find a way to go direct in any page or switch language the previous page.

I’m using 2 language, Vietnamese and English. It happen when i switch form Vietnamese to English. It’s ok when switch from English to Vietnamese.

I’m using Polylang.
Thank you for your support.

The page I need help with: [log in to see the link]