This error occasionally appear when using HOL Cloud through your school's LMS (Learning Management System)
If you are experiencing this error or a sign in page is appearing in your LMS please follow the instructions below and ask your students to follow the directions to clear their cache and cookies.
1. Check that the lesson links are opening in a new window.
2. Select the "Back" button on your web browser.
3. Clear your browser's Cookies and Cache, going back at least 24 hours.
4. Select the page that originally gave you the error message.
If this does not resolve your issue, contact our Customer Service team.