Your question is SAML SSO Integration Troubleshooting. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
How would you configure and troubleshoot a SAML-based Single Sign-On (SSO) integration between an Identity Provider like Okta and a legacy service provider for an Ernst & Young Oman client?