Due to various role implementations by different vendors, you may have to troubleshoot your SAML configuration when a problem occurs. You can enable OpenEdge logging and use the required information to debug the problem.

Open the instance/ablapps/abl-app/conf/logging-ablapp.xml file. Uncomment the following lines and set their values to "DEBUG":
<logger name="com.progress.appserv.services.security" level="DEBUG"/>  
<logger name="org.springframework.security" level="DEBUG"/>  
Review the logs to identify potential issues.