prometheus_node_exporter_textfiles_directory undefined about ansible-prometheus HOT 3 CLOSED

fatal: [default]: FAILED! => {"msg": "The task includes an option with an undefined variable. The error was: 'prometheus_node_exporter_textfiles_directory' is undefined\n\nThe error appears to be in '/home/packer/.ansible/roles/mesaguy.prometheus/tasks/main.yml': line 2, column 3, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n---\n- name: Set global facts to be used inside and outside of role\n  ^ here\n"}

prometheus_host: 10.43.15.1
prometheus_alertmanager_host: 10.43.15.1

prometheus_extra_opts:
  - '--storage.tsdb.retention=1y'

prometheus_components:
  - prometheus
  - alertmanager