This is fixable. You probably don't have permissions for this add-on configured correctly.
To fix: 1. Head to Google (google.com) 2. Click on the Extensions button to the right of your URL bar (the button looks like a puzzle piece) 3. Right-click on this extension's icon 4. Change the "Extension can read and change data" setting to "Always Allow" 5. Refresh the page 6. Extension will now work
