Comment 1 for bug 2061224

Yes, step 5 is missing under https://docs.openstack.org/nova/ussuri/install/controller-install-rdo.html#prerequisites

5. Install Placement service and configure user and endpoints:
Refer to the Placement service install guide
<install/install-rdo.html#configure-user-and-endpoints> for more information.
(which is https://docs.openstack.org/placement/ussuri/install/install-rdo.html#configure-user-and-endpoints)

But we can't update ussuri doc, as the branch is eol- i.e no longer accepting changes
 https://review.opendev.org/c/openstack/releases/+/903278

https://releases.openstack.org/