Sidebar does not display

I have tried everything to display my side bar. I have everything set as it is in the articles below but the sidebar still does not apear. https://www.thelastjune.cz

In Appearence – Customize – Sidebar I have Right Side bar in the menu.
See here:
https://ibb.co/BPR2NS5

In Appearence – Widgets I have set all sidebars
See here:
https://ibb.co/rFRsDb0

Could you please help me to show the sidebar ?

Manuals I have tried.

https://www.ads-software.com/support/topic/your-theme-has-5-other-widget-areas-but-this-particular-page-doesnt-display/

https://wpastra.com/docs/sidebar-free/

• This topic was modified 2 years, 9 months ago by jakubkasal.

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