Trying to configure Jenkins endpoint in CDD shows below error.
Release : 8.0
Component : CDD RELEASE DESIGN & EXECUTION
Check the version of Jenkins plugin you are using .Check the below links about registering Jenkins version and configuring Jenkins Endpoint.
https://techdocs.broadcom.com/us/en/ca-enterprise-software/devops/continuous-delivery-director-onprem/8-0/integrations-overview/plug-ins/jenkins-plug-in.html
https://techdocs.broadcom.com/us/en/ca-enterprise-software/devops/continuous-delivery-director-onprem/8-0/integrations-overview/plug-ins/jenkins-plug-in/configure-a-jenkins-endpoint.html
Also make sure the password that has to be one of the Jenkins token.