Ceph - ansible playbook fails on "TASK [ceph-dashboard : update dashboard admin password] "

Issue

The ansible-playbook TASK fails with :

    dashboard ac-user-set-password <username> :  Set user password from -i <file>
    Error EINVAL: invalid command

Full TASK output:

TASK [ceph-dashboard : update dashboard admin password] **************************************************************************************************************************************************************************************
task path: /usr/share/ceph-ansible/roles/ceph-dashboard/tasks/configure_dashboard.yml:127
Thursday 06 May 2021  10:54:16 -0400 (0:00:26.153)       1:02:29.566 ********** 
FAILED - RETRYING: update dashboard admin password (6 retries left).
FAILED - RETRYING: update dashboard admin password (5 retries left).
FAILED - RETRYING: update dashboard admin password (4 retries left).
FAILED - RETRYING: update dashboard admin password (3 retries left).
FAILED - RETRYING: update dashboard admin password (2 retries left).
FAILED - RETRYING: update dashboard admin password (1 retries left).
fatal: [10.74.177.14 -> 10.74.177.14]: FAILED! => changed=true 
  attempts: 6
  cmd:
  - timeout
  - --foreground
  - -s
  - KILL
  - '10'
  - ceph
  - --cluster
  - ceph
  - dashboard
  - ac-user-set-password
  - admin
  - p@ssw0rd
  delta: '0:00:00.580026'
  end: '2021-05-06 10:54:53.869808'
  msg: non-zero return code
  rc: 22
  start: '2021-05-06 10:54:53.289782'
  stderr: |-
    Invalid command: unused arguments: ['p@ssw0rd']
    dashboard ac-user-set-password <username> :  Set user password from -i <file>
    Error EINVAL: invalid command
  stderr_lines: <omitted>
  stdout: ''
  stdout_lines: <omitted>