Hello my problem is that when choosing column on the right side of the website, nothing appears
Hello there,
I hope you are doing well today.
You need to ensure that you have widgets assigned to the right sidebar. Please go to Appearance > Widgets and assign a widget to the right sidebar then save your changes. Once you have done that there should be some content in the sidebar.
Best Regards,
Support
Hey there,
Hope you’re doing well today
Did you manage to get this issue resolved?
Just asking so that I may provide some additional support, or close the ticket.
Please let me know.
I look forward to your reply 
Best Regards,
Support