SAML 2.0 authentication is enabled in an AS ABAP system, but for some particular ICF services, you want to disable the SAML 2.0 authentication.
Add the saml2=disabled add the end of the URL and press Enter. The page now will prompt you the username and password.
URL :
http(s)://<HOSTNAME>:<PORT>/sap/bc/gui/sap/its/webgui/?sap-client=888&sap-language=en&saml2=disabled
URL :
http(s)://<HOSTNAME>:<PORT>/sap/bc/gui/sap/its/webgui/?saml2=disabled
Ref:
2577263 – SAML2.0: How to disable SAML 2.0 authentication for a particular ICF service in AS ABAP
2676971 – SAML2 functionality is disabled by URL parameter error in trace
