ceph dashboard

Hi, I have a proxmox cluster consisting of five nodes. I have tried to configuring an RGW instance and then using the Ceph dashboard to configure the buckets and users but this fails. The command that I supposed to be used for this, ceph dashboard set-rgw-credentials fails with Error EINVAL: No...

so i cant attach the screenshots for some reason so ill just copy paste it over here -First issue root@CIS-Node6:\~# ceph dashboard create-self-signed-cert no valid command found; 10 closest matches: pg stat pg getmap pg dump...