Hello, My app has trouble loading today, “app did not load successfully. Please contact the app creator”.
I am getting this error, sometimes with the Staff table, sometimes with the Timesheets table in the details.
Unable to fetch app definition. Error:Error: Data table ‘timesheets’ is not accessible due to: Visibility check was unavailable. Please retry the request and contact support in the problem persists.
Can anyone help enlighten so I can troubleshoot. Thank you.
hi @ProProjects
this error usually means appsheet can’t access one of your data tables — often due to permission issues or a broken data source link
things to check:
open Data > Tables and check if the “Timesheets” or “Staff” table has a red error
if you’re using google sheets, make sure the sheet exists and your account still has access
if it’s a database (like mysql), check the connection is active and not expired
try regenerating the structure of the table in appsheet (click the table, then “regenerate”)
if nothing works, try removing and re-adding the table
also, sometimes it’s a temporary google drive or connection issue — try again after a few minutes
Hi,
The error message you’re seeing—“Data table ‘timesheets’ is not accessible due to: Visibility check was unavailable”—usually indicates that AppSheet is having trouble accessing the data source for that table, possibly due to permission issues, expired credentials, or a temporary service disruption. Since it affects both the Staff and Timesheets tables intermittently, it’s likely related to connectivity or authorization with your cloud storage (like Google Sheets or Excel). Try refreshing your data source connection, checking sharing permissions, and verifying that the tables still exist and are accessible. If the issue continues, contact AppSheet support.
Regards