In case your Google account has either expired or has been revoked, you will need to renew the Flowics app associated with Google. To do so, follow the steps below:
(1) Go to Social Accounts.
(2) Remove your Google account.
(3) Go to the Google permissions page.
(4) Make sure you are login with the correct account.
(5) Click on Flowics.
(6) Remove access to your Google Account.
After removing the Flowics access then go to the Social Accounts section to re-associate your Google account.
To learn how can associate the account visit the following link.