[keycloak-user] facing issue while having the single sign on flow

ERROR [org.keycloak.services.resources.IdentityBrokerService] (default task-25) invalidRequestMessage We are configuring the Single sign on for the application deployed on the Wildfly instance by having keycloak , external IDP , SAML 2.0 standards .Below is the flow . There was an error at the flow while we are trying this flow . PFA It has pictorial representation of the flow . Wildfly app or servlet container -> (SP) SAML request to IdP -> Keycloak -> (identify Okta IdP... may or may not need a username) -> (SP SAML Request to Okta) -> Okta IdP (May or may not need user to login depends on if they have an active okta session or not) -> IdP SAML Response -> Keycloak -> IdP SAML Response Wildfly app / servlet container