It seems that you're facing an issue with connecting your google sheets to QuickBooks Online (QBO)  through the new spreadsheet syncing function, @Grimayoj. Know that I'm here to educate you more about this feature.

Currently, the feature Spreadsheet Sync is exclusively available in QuickBooks Online Advanced or QuickBooks Online Accountant. If you're using QBO Simple Start, Essential, or Plus. You'll want to consider upgrading your subscription to achieve your goal.

Please note Spreadsheet Sync is compatible with the Office 365 version of Excel and Google Sheets.

For frequently asked questions about Spreadsheet Sync, feel free to check this article: Frequently Asked Questions about Spreadsheet Sync in QuickBooks Online Advanced or Accountant.

Moreover, you'll want to secure a copy of all your financial data out of QuickBooks before canceling them: Export reports, lists, and other data from QuickBooks Online.

I'm just one post away if you need assistance with any QuickBooks-related concerns. You can click the reply button below to enter your queries. You have a good one.