Hi @stepasyuk,
Thank you for your help, but I still not fully understand how to fix it.
How do I ‘create’ the Sorting Widget ‘after’ creating the Filter Set?
Should I use Meta keys in the widget?
https://twentyonewood.com/wp-content/uploads/2023/06/screenshot1.png
https://twentyonewood.com/wp-content/uploads/2023/06/screenshot2.png
The website is live now, so you can see it with the link shared earlier.