Symptom
You are getting below error in SAP system,
Issuer of SSO ticket is not authorized
Solution
1. Execute transaction code STRUSTSSO2 and double click on the certificate. Then, click on Add to ACL. You must do the same on other clients as well.
2. Ensure all steps is followed from the https://itsiti.com/sso-logon-not-possible-browser-logon-ticket-cannot-be-accepted
