If you are redirected to this page, the SSO login attempt failed. See below for details.
The most common use cause of SSO login failure is an incorrect user mapping within the identify provider. If you’re experiencing issues with an individual user login via SSO, verify that the attribute associated with the “unique user identifier” matches their NS1 username exactly. Ensure you are using the correct format (basic username vs. email-format username). The exact process may vary between identify providers. Refer to the following NS1 articles for IdP-specific configuration instructions: