Problem summary
Funnel cannot import a spreadsheet if the connected Google account cannot open it.
Error message or symptoms
The connected Google account does not have permission to read the spreadsheet
When does this occur
The spreadsheet owner removed or restricted the connected account's access.
You connected the data source with a Google account that cannot open the spreadsheet.
Root cause
The Google account used by the data source does not have permission to read the spreadsheet.
Solution
Find the Google account connected to the data source.
Grant that account access to the spreadsheet.
Open the spreadsheet while signed in with the same account to confirm access.
Retry the import in Funnel.