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OCLC Support

WorldCat Discovery has returned the error message "An error occurred on the MetaAuthentication System"

Symptom
  • WorldCat Discovery has returned the error message "An error occurred on the MetaAuthentication System. Details: No Single Sign-On request could be found."

Applies to
  • WorldCat Discovery
  • WorldShare 
Resolution

This issue is commonly related to a previously cached Single Sign-On (SSO) session. Here are the steps to resolve it:

  1. Restart the Browser or Machine:

    • Often, simply restarting the user's browser or machine can resolve the issue.
  2. Check the Link:

    • Ensure the user is using the correct link and not a bookmarked or corrupt link with extra parameters.
  3. Disable Browser Extensions:

    • If the problem persists, try disabling browser extensions or test with a different browser.
Conditions for "No Single Sign-On Request Could Be Found" Error:
  1. Proxied Authentication:

    • When the authentication begins proxied but the Identity Provider (IdP) breaks the proxying.
  2. Missing Session Cookies:

    • When the session cookies at metaauth are missing.
  3. Unsupported IDP Initiated Authentication:

    • When the IdP is attempting IDP initiated authentication, which we do not support
Page ID
37839