Error Messages Details

Access to this location is not authorized

• Link/Content in link is blocked by authorization

Anchor is invalid

• Associated anchor for the anchor link is not found on the page

URL refers to a non-existent resource

• The file of the file type link is not found

Invalid URL format

• URL format is invalid

Course ID is missing or invalid

• For LEARN courses: OU number is missing from the link

URL contains multiple course IDs

• For LEARN courses: Multiple OU numbers found in the link

Page not found

• Page returned a 404 code or was not found when navigated to

Site is protected from webcrawlers

• The site from the link is protected from being accessed by webcrawlers. See Robots.txt Introduction and Guide | Google Search Central  |  Documentation  |  Google for Developers for more info

Too many redirects

• The link redirected the application too many times

URL could not be checked due to an SSL error

• The application could not verify the SSL certificate of the link or site

URL could not be checked due to a timeout error

• The search timed out

URL could not be checked due to an unknown error

• Error was found that does not match any of the above errors during the search