What Do I Do If I Receive an 'Additional Properties Not Allowed' Error?
This error message means it is time to clear your browser's cache! To do so, follow the steps below:
1. First, log out of Gather
2. Next, select the History tab at the top of your browser.
2. Show Full History
3. Clear Browsing Data on the lefthand side
4. Select 'The Beginning of Time' at the top of this box
5. Check 'Cached Images and Files'
6. Click Clear Browsing Data
7. Exit out of the browser
8. Log back into Gather