Open a fresh new browser session and try to access the resource again.
You can also try another browser, one you don't normally use such as Opera
If you continually experience the error when logging into a resource, it may be that the Shibboleth URL and login credentials have been saved incorrectly in your browser or app.
Please remove the saved Shibboleth URL and saved QUB login credentials in your browser or app settings.
Please emaileresourcesif you are still experiencing problems.