Common Errors

Blank page / Freezing page

Probably an error linked to the cache or the local storage.


Go to and select "Clear cache". If the issue persists, empty the cache manually (Right click -> Inspect -> Tab "Application" -> Right click and clear on each ). If the issue persists, close the browser and start it again.

Sign in / Connection issue

To reset the connection to your Google Account

  • Then search for "GPT Workspace" in the list

  • Then click "Delete all connections you have with GPT Workspace" button at the bottom of the page

  • Come back to GPT Workspace and try to Sign in again by accepting all requested access

Exceeded maximum execution time

OpenAI servers are usually under hefty load and response times can sometimes be very slow.

If you see this error message, it means your request took more than 30 seconds, exceeding the limit of Google Sheets functions. It happens more frequently at peak usage time when OpenAI servers are taking a lot of loads.

Please try again in a few hours.

You can check the OpenAI status on this page

I can't install the extension

If you try to install the Google Workspace extension by clicking on the install button from the marketplace but after loading the extension is not visible on your sidebar, you might using multiple Google Accounts in the same session.


  1. Try installing the add-on again from the Workspace Marketplace

If you don't want to create a dedicated Chrome profile, you can install the add-on from an incognito window. It will then be installed from your default Chrome Profile.

Response is cut or incomplete

You might have exceeded the prompt limit for ChatGPT which is 4000 tokens.

Please try again with a shorter prompt.

The menu only shows “help”

First, you need to open the addon from the sidebar and authorize the access

Then, refresh your spreadsheet, wait 30 seconds, then try to enable the GPT Functions again

Exception: Service invoked too many times for one day: urlfetch.

If you see this error message, it means you have reached your daily quota of calls to an external service from Google Sheets.

  • The quota for accounts: 20k / day

  • The quota for Google Workspace accounts: 100k / day

(subject to arbitrary change by Google)

Your only solution is to wait 24 hours or upgrade to a Google Workspace account if it's not already the case.

429: Rate limit reached for […] requests per min.

If you see this error message, it means you have reached your limit of requests per minute.


Wait one minute then retry.

#NAME? Unknown function: 'GPT' or 'gpt’

If you see this error message, it means you have not enabled the GPT functions.

Solution: Click Extensions > GPT for Docs, Sheets, Slides > Enable GPT functions in this sheet

Formula parse error

If you see this error message, check that:

  • you have quotes around your prompt if it is not in a cell. This works: =GPT("hello"). This works: =GPT(A1). This doesn't work: =GPT(hello)

  • you are using the right parameter separator for your locale: , or ;

  • you are using the correct number format for temperature for your locale: 0.8 or 0,8

  • your arguments are in the correct order. See our reference here

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