3525926 - Authentication failure causes loop back to manual IdP selection page during SAML Authentication

When "cancel" is selected on the Manual IdP (Identity Provider) selection page, the system falls back to Basic Authentication, prompting for a username and password. However, after entering the correct credentials, users are looped back to the selection page instead of proceeding to the requested page.

Basic Authentication, SAML, IDP, selection page, SSO, loop, redirect, SAML2, ICF, service, redirection loop, ERR_TOO_MANY_REDIRECTS, SPNEGO, authentication loop, authentication error, manual selection, manual IDP selection. , KBA , BC-SEC-LGN-SML , SAML 2.0 for ABAP , BC-SEC-LGN , Authentication , Problem