Science Interactive Instructor Help Guides / LTI Troubleshooting and FAQ / LTI Troubleshooting

Error 419 Page Expired

Updated on May 26, 2022

Inbox - aminott@scienceinteractive.com - Outlook

If you are experiencing this error in your LMS, please follow the instructions below and ask your students to follow the directions to clear their cache and cookies in Firefox or Chrome.

1. Check that the lesson links are opening in a new window.

Blackboard (Classic)
Blackboard Ultra
Canvas
D2L/ Brightspace
Moodle

2. Select the "Back" button on your web browser.

3. Clear your browser's Cookies and Cache, going back at least 24 hours.

How to clear Cookies and Cache in Firefox

How to clear Cookies and Cache in Chrome

4. Select the page that originally gave you the error message.

If this does not resolve your issue, contact our Customer Service team.

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