Clearing Cookies / History
Clearing your cookies / history will resolve errors when signing in to certain services that use single sign on.
Step 1
In Google Chrome, select the three dots in the top right and select History.
Alternatively CRTL + H

Step 2
On the left-hand side, select Clear browsing data.

Step 3
Select a time range and make sure Cookies and other site data is ticked. Select Clear data.

Step 4
Sign in to the service that wasn't working previously.
If you still can't sign in to a service, select All Time from the Time Range drop-down menu.