Error: Empty principal name is not allowed

[Aj1991ay]

Hi,
I am trying to map my onprem site with vmc cloud and it fails with error “Empty principal name not allowed” . However I am passing all the details but still not able to rectify the issue

[Aj1991ay]

terraform {
  required_providers {
    hcx = {
      source  = "adeleporte/hcx"
    }
  }
}

provider "hcx" {
    hcx                   = var.hcx_url
    admin_username        = var.hcx_admin_username
    admin_password        = var.hcx_admin_password
}

resource "hcx_site_pairing" "auto_hcx_1" {
    url         = var.remote_hcx_url
    username    = var.remote_hcx_username
    password    = var.remote_hcx_password
}

output "hcx_site_pairing_site1" {
    value = hcx_site_pairing.auto_hcx_1.id
}

Error: body: <?xml version='1.0' encoding='UTF-8'?><linked-hash-map><entry><string>timestamp</string><date>2022-07-05 17:11:49.961 UTC</date></entry><entry><string>status</string><int>401</int></entry><entry>s0:RequestFailed&lt;/faultcode>&lt;faultstring>Empty principal name is not allowed&lt;/faultstring>&lt;/S:Fault>&lt;/S:Body>&lt;/S:Envelope></string></entry><entry><string>path</string><string>/hybridity/api/sessions</string></entry></linked-hash-map>

  with hcx_site_pairing.auto_hcx_1,
  on main.tf line 15, in resource "hcx_site_pairing" "auto_hcx_1":
  15: resource "hcx_site_pairing" "auto_hcx_1" {