When you are changing Office layout you are unable to change the layout.
Before changing layout please Open Browser DevTools, Go to Networking tab, change the layout, check the request and you will be able to see following error
"Can't update a space under a starter plan"
The account is set to Plan type "Starter", it is not allowed to change the maps on this plan type. To change the map you need to change your plan type to unlimited or enterprise.
To change the plan kindly contact the customer success team. Contact the Success team at
firstname.lastname@example.org. A Success Manager will then get in touch to assist you. For more information kindly refer to the article Contacting Customer Success Team.