Sudo foreman-installer -i ERROR

Problem:
[root@katello01 ~]# sudo foreman-installer -i
/usr/share/ruby/ipaddr.rb:529:in block in in_addr': invalid address (IPAddr::InvalidAddressError) from /usr/share/ruby/ipaddr.rb:528:in each’
from /usr/share/ruby/ipaddr.rb:528:in inject' from /usr/share/ruby/ipaddr.rb:528:in in_addr’
from /usr/share/ruby/ipaddr.rb:490:in initialize' from /usr/share/foreman-installer/checks/dns.rb:22:in new’
from /usr/share/foreman-installer/checks/dns.rb:22:in block in <main>' from /usr/share/foreman-installer/checks/dns.rb:21:in each’
from /usr/share/foreman-installer/checks/dns.rb:21:in `’
Your system does not meet configuration criteria

Expected outcome:

Foreman and Proxy versions:

Foreman and Proxy plugin versions:

Distribution and version:

Other relevant data:

Hi there, you havent placer your ip at hosts file probably

@flechoide - I did but had a typo - thanks!