"Customize" is not functioning on the buddy business theme and other themes also?

Hello Admin,

"Customize" is not functioning on the buddy business theme and other themes also?
After i click it this only shows...below image, there is no anything to customize this is regarding in the super admin panel but on the user's admin are functioning just only on the super admin.

Please advise. I have also open grant access already.
Thanks a lot.

Below are the images: