After upgrade, we see Unable to Process request only when going to Team - Configure.

In Dev Tools logs we see Error HTTP 404

If we bypass SSO we do not see this error. 

Release : 

Component : CA PPM INTEGRATIONS & INSTALLATIONS

In Siteminder SSO logs we found this was caused by blocking on // in BadQueryChars

As per our recommendation this parameter should be having no values for Clarity:

https://techdocs.broadcom.com/content/broadcom/techdocs/us/en/ca-enterprise-software/business-management/clarity-project-and-portfolio-management-ppm-on-premise/15-7-1/add-ins-and-integrations/integrate-clarity-ppm-with-ca-single-sign-on-sso.html#concept.dita_840b8f0b9c38f4fdfaf72c01528c36fcd972d0c8_REALM5CAPPMRESTAPI

Once we removed this the issue was resolved