VCF Automation 9.0.x
The issue is caused by the incorrect use of a filter in the Project Service when associating users with groups and assigning group project principals' access to namespaces. Instead of fetching the desired group from VCF Automation Provider Management, the Project Service fetches a page of groups. When there are more groups than the page size, which is 25, the groups that are left out cannot be handled.
This issue has been resolved in 9.1.0.0200
Workaround: