This tool will help diagnose issues with connecting to your Google Sheets.
This is the URL you received after deploying your Apps Script as a web app.
This is normal for Apps Script you create yourself. Click "Advanced" and then "Go to [Project Name] (unsafe)" to proceed.
If you see CORS errors in the console, you need to open the Apps Script web app URL directly in your browser first and authorize it.
If opening the URL directly shows "requires authorization", your deployment settings may be incorrect:
The correct URL format should start with:
https://script.google.com/macros/s/[LONG-ID]/exec
Make sure your Google Sheet is accessible: