Error: 1035

When I synchronize the database, I get a pop-up window with

Make sure the sheet exists and has not been moved to a different location that causes the Glide login email account to not be able to access the sheet.
Error: 1035

What is your Data Source?
Has anything changed in terms of data source permissions or Glide Team members?

No, but I think I loaded another base from Airtable which is too big, and I’m studying Glide so I’m still on the Free plan