Not able to create container from private registry

Hi I am trying to use katello/foreman for Docker management and
provisioning purpose. now stuck in container creation process, when listing
private-registry getting error as mentioned below. thanks in advance. if
anyone help on this, that will be great.

RestClient::ResourceNotFound
404 Resource Not Found
/opt/theforeman/tfm/root/usr/share/gems/gems/rest-client-1.6.7/lib/restclient/abstract_response.rb:48:in
return!' /opt/theforeman/tfm/root/usr/share/gems/gems/rest-client-1.6.7/lib/restclient/request.rb:230:inprocess_result'
/opt/theforeman/tfm/root/usr/share/gems/gems/rbovirt-0.0.35/lib/restclient_ext/request.rb:50:in
`block in transmit'
/opt/rh/ruby193/root/usr/share/ruby/ne

Thanks…