Error Messages
Information how to troubleshoot specific error messages
Enable Cookies
If you receive an error message that says "Exception - Please make sure you have cookies enabled and that you are not in private or incognito mode.". First, make sure you are using the browsers Chrome or Safari. Next, make sure you are not in incogni
Parameter Missing
If you receive an error message that says "A required parameter (oauth_consumer_key) was missing. Please click the Site home link to report an issue.". There may be a problem with the courseware setup that our IT team needs to troubleshoot with your
Video Fails To Load
If your video fails to load, you may need to change browsers or clear your cache. First make sure you are using the browser Chrome or Safari. Follow these steps for clearing cache:. Chrome for PC. Chrome for Mac. Safari for Mac
Invalid Key Form
If you see an error message that says Invalid Kay Form, please refresh the page, it may be that you need to clear cookies or switch browsers. We recommend that you use Chrome, Firefox, or Safari as browsers. Follow this link for detailed instructions
Administrator Login
If you have an integrated Active Learning course and you see a message to log into a Cognella site as an Administrator:. It's probably the settings on your Mac Safari browser. Try switching to Chrome. If you want to continue using Safari, try allowin
VitalSource Access Code Already Redeemed
If you are redeeming an access code from VitalSource and receive the error message "Access Code Already Redeemed," try logging out of your Bookshelf account and logging back in. Also make sure you are using a preferred browser (Chrome, Firefox, or Sa