SheetAI not working in Google Sheets: the add-on vanished or functions do not calculate

Symptoms

• The add-on menu is gone
• Functions return an authorization error
• Results do not update

Causes and fixes

1. The add-on has no permissions in this file

What to do: Start the add-on from the Extensions menu and confirm permissions

2. The model API key is invalid or has no balance

What to do: Check the key and balance in the model provider's console

3. The Workspace admin blocked third-party add-ons

What to do: Ask the admin to allow the add-on or work in a personal account with test data

About SheetAI

Google Sheets add-on with AI functions for text, lists and tables inside cells. Paid plans on request. Free plan available.

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