Error while running delivery local unit

I am getting this error when running delivery local unit

What could be the reason for this.

Chef Delivery
Running Unit Phase
ERROR -- : Actor crashed!
ArgumentError: Missing value for required option(s): ''client_name''
/opt/chefdk/embedded/lib/ruby/gems/2.3.0/gems/ridley-5.1.0/lib/ridley/client.rb:57:in validate_options' /opt/chefdk/embedded/lib/ruby/gems/2.3.0/gems/ridley-5.1.0/lib/ridley/client.rb:124:ininitialize'
/opt/chefdk/embedded/lib/ruby/gems/2.3.0/gems/celluloid-0.16.0/lib/celluloid/calls.rb:26:in public_send' /opt/chefdk/embedded/lib/ruby/gems/2.3.0/gems/celluloid-0.16.0/lib/celluloid/calls.rb:26:indispatch'
/opt/chefdk/embedded/lib/ruby/gems/2.3.0/gems/celluloid-0.16.0/lib/celluloid/calls.rb:63:in dispatch' /opt/chefdk/embedded/lib/ruby/gems/2.3.0/gems/celluloid-0.16.0/lib/celluloid/cell.rb:60:inblock in invoke'
/opt/chefdk/embedded/lib/ruby/gems/2.3.0/gems/celluloid-0.16.0/lib/celluloid/cell.r