Google + has recently updated the way it handles security on it's API and this has caused issues posting for some users.

If you are having issues please re-link any accounts which are are not posting to Google + by:

1. Go to Add/Edit services. 

2. Click the 'Edit' button opposite that service. 

3. Select the reconnect option as shown in the below image.  

4. Follow the steps to re-link the account.

If you have done this but are still experiencing issues posting, please submit submit a trouble ticket.