[windows] Failed to connect to the host via ssh: Permission denied (publickey)

After using the command: ansible-playbook server.yml -e env=production

I get the following error:

`System info:
  Ansible 2.4.3.0; Linux
  Trellis at "Support git url format `ssh://user@host/path/to/

Failed to connect to the host via ssh: Permission denied (publickey).

fatal: [167.99.XXX.X]: UNREACHABLE! => {"changed": false, "unreachable": true}
        to retry, use: --limit @/home/vagrant/trellis/server.retry

167.99.XXX.X               : ok=4    changed=0    unreachable=1    failed=0
localhost                  : ok=0    changed=0    unreachable=0    failed=0`

I am able to login manually through console on DigitalOcean and via root@167.99.XXX.X
Does anyone know what the issue could possibly be? I took out the last bit from IP for privacy btw.

See https://roots.io/trellis/docs/troubleshooting/

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