The CSV export is not supported on the new UX staffing plan.
The work around would be using the old UX + excel data export. Is there an option somehow to export the staffing plan on new UX?
Release : 16.0.2
Component :
The "Saffing Plan" workspace is discontinued (no longer enhanced).
https://techdocs.broadcom.com/us/en/ca-enterprise-software/business-management/clarity-project-and-portfolio-management-ppm-on-premise/16-0-2/using/new-user-experience-request-resources-and-roles-to-staff-investments.html
Exporting to csv is allowed on the "Staffing" workspace (Staff Grid).
You can also add more filters on that workspace: