Error is: undefined local variable or method `fqdn' for #<Host::Managed:>

Full Trace:
NameError
undefined local variable or method `fqdn' for #<Host::Managed:>
app/models/host/managed.rb:782:in `lookup_value_match'
app/models/concerns/host_common.rb:33:in `block (2 levels) in '
app/views/common_parameters/_puppetclasses_parameters.html.erb:2:in `_app_views_common_parameters__puppetclasses_parameters_html_erb__2900079543544965198_75854480'
app/views/hosts/_form.html.erb:98:in `block (2 levels) in app_views_hosts_form_html_erb__4535273548698332454_70156930040660'
app/helpers/layout_helper.rb:273:in `form_for'
app/views/hosts/_form.html.erb:8:in `block in app_views_hosts_form_html_erb__4535273548698332454_70156930040660'
app/models/taxonomy.rb:61:in `block (2 levels) in as_taxonomy'
app/models/concerns/foreman/thread_session.rb:147:in `as_location'
app/models/taxonomy.rb:60:in `block in as_taxonomy'
app/models/concerns/foreman/thread_session.rb:112:in `as_org'
app/models/taxonomy.rb:59:in `as_taxonomy'
app/views/hosts/_form.html.erb:6:in `_app_views_hosts__form_html_erb__4535273548698332454_70156930040660'
app/views/hosts/edit.html.erb:9:in `_app_views_hosts_edit_html_erb___363706692113989275_70156930032900'
app/controllers/concerns/application_shared.rb:13:in `set_timezone'
app/models/concerns/foreman/thread_session.rb:32:in `clear_thread'
lib/middleware/catch_json_parse_errors.rb:9:in `call'