Provisioning a server fails with "There was an error rendering the Satellite Kickstart Default template : ActionView::Template::Error: undefined method '#mask' for NilClass::Jail (NilClass)" error.

Issue

• Provisioning a system fails with the below error.

  2018-03-16 15:51:24 23b83b11 [app] [W] There was an error rendering the Satellite Kickstart Default template:
  | ActionView::Template::Error: undefined method '#mask' for NilClass::Jail (NilClass)
  | /opt/theforeman/tfm/root/usr/share/gems/gems/safemode-1.3.2/lib/safemode/jail.rb:22:in `method_missing'
  | Satellite Kickstart Default:85:in `bind'
  | /opt/theforeman/tfm/root/usr/share/gems/gems/safemode-1.3.2/lib/safemode.rb:51:in `eval'
  | /opt/theforeman/tfm/root/usr/share/gems/gems/safemode-1.3.2/lib/safemode.rb:51:in `eval'
  | /usr/share/foreman/lib/foreman/renderer.rb:56:in `render_safe'
  | /usr/share/foreman/lib/foreman/renderer.rb:175:in `unattended_render'
  | inline template:1:in `_f29b8530e02eee744bbfdce107d95ba0'
  | /opt/rh/rh-ror42/root/usr/share/gems/gems/actionview-4.2.6/lib/action_view/template.rb:145:in `block in render'
  | /opt/rh/rh-ror42/root/usr/share/gems/gems/activesupport-4.2.6/lib/active_support/notifications.rb:166:in `instrument'
  | /opt/rh/rh-ror42/root/usr/share/gems/gems/actionview-4.2.6/lib/action_view/template.rb:333:in `instrument'
  | /opt/rh/rh-ror42/root/usr/share/gems/gems/actionview-4.2.6/lib/action_view/template.rb:143:in `render'
  | /opt/theforeman/tfm/root/usr/share/gems/gems/deface-1.2.0/lib/deface/action_view_extensions.rb:41:in `render'
  | /opt/rh/rh-ror42/root/usr/share/gems/gems/actionview-4.2.6/lib/action_view/renderer/template_renderer.rb:54:in `block (2 levels) in render_template'