Trellis - Malformed output discovered from systemd list-unit-files: accounts- daemon.service

I’m getting the same error but on Ansible 2.10. Do I need to be on Ansible 2.9?

TASK [wordpress-install : Install Dependencies with Composer] ******************
System info:
  Ansible 2.10.3; Vagrant 2.2.3; Darwin
  Trellis version (per changelog): "Validate that `letsencrypt_contact_emails` is a list"