A schedule referencing data from Google Sheets is failing with errors like "Client error: (404) Not Found" or "File not found."

If a schedule referencing data from Google Sheets fails with errors like “Client error: (404) Not Found” or “File not found,” it is possible that the sheet being used as data has been deleted or its name has been changed. Please check the name of the sheet being used as data and try running the schedule again.