20220821 Installation Failure for any service

There is a known issue with the commit 872d2bf3, A fix was pushed in commit be9fcb4a

Installation of services may fail with:

FAILED! => {"msg": "The task includes an option with an undefined variable. The error was: 'retronas_group' is undefined\n\nThe error appears to be in ...

This error is due to a bug introduced during migration to separate group configuration. Where a second blank retronas_group entry may be added to retronas_vars.yml

You may resolve this error in two ways

• Remove the duplicate blank entry from retronas_vars.yml

  1. In terminal type nano /opt/retronas/ansible/retronas_vars.yml
  2. Find the entry retronas_group: "" and deleted it
  3. Save the file with the ctrl+x, y

• A complete reinstallation of RetroNAS