Sometimes we’re getting authorization errors on Google’s side.
It’s a Google issue.
The following steps might help resolving it:

1) Sign out all gmail or Google Workspace accounts in the browser which you are using Moneylogz
2) Sign in your gmail
3) Go to
4) Go to “Your connections to thirdparty apss & services”
5) Click on “See all connections”
6) Choose “Moneylogz”
7) Go to “Moneylogz has some access to your Google Account” section
8) Click on “See Details”
9) Click on the “Remove access” button to remove all permissions which you allowed for this add-on in the past. Press the OK button.
10) Reinstall Moneylogz through the app store:
11) Open a Google Spreadsheet file and launch to Moneylogz