sensu client json gem issue


#1

/opt/sensu/embedded/lib/ruby/site_ruby/2.3.0/rubygems/dependency.rb:308:in to_specs': Could not find 'json' (>= 1.7.7, ~> 1.7) among 43 total gem(s) (Gem::MissingSpecError) Checked in 'GEM_PATH=/opt/sensu/embedded/lib/ruby/gems/2.3.0:/opt/sensu/.gem/ruby/2.3.0', executegem envfor more information from /opt/sensu/embedded/lib/ruby/site_ruby/2.3.0/rubygems/specification.rb:1439:inblock in activate_dependencies’
from /opt/sensu/embedded/lib/ruby/site_ruby/2.3.0/rubygems/specification.rb:1428:in each' from /opt/sensu/embedded/lib/ruby/site_ruby/2.3.0/rubygems/specification.rb:1428:inactivate_dependencies’
from /opt/sensu/embedded/lib/ruby/site_ruby/2.3.0/rubygems/specification.rb:1410:in activate' from /opt/sensu/embedded/lib/ruby/site_ruby/2.3.0/rubygems/specification.rb:1442:inblock in activate_dependencies’
from /opt/sensu/embedded/lib/ruby/site_ruby/2.3.0/rubygems/specification.rb:1428:in each' from /opt/sensu/embedded/lib/ruby/site_ruby/2.3.0/rubygems/specification.rb:1428:inactivate_dependencies’
from /opt/sensu/embedded/lib/ruby/site_ruby/2.3.0/rubygems/specification.rb:1410:in activate' from /opt/sensu/embedded/lib/ruby/site_ruby/2.3.0/rubygems/specification.rb:1442:inblock in activate_dependencies’
from /opt/sensu/embedded/lib/ruby/site_ruby/2.3.0/rubygems/specification.rb:1428:in each' from /opt/sensu/embedded/lib/ruby/site_ruby/2.3.0/rubygems/specification.rb:1428:inactivate_dependencies’
from /opt/sensu/embedded/lib/ruby/site_ruby/2.3.0/rubygems/specification.rb:1410:in activate' from /opt/sensu/embedded/lib/ruby/site_ruby/2.3.0/rubygems.rb:279:inblock in activate_bin_path’
from /opt/sensu/embedded/lib/ruby/site_ruby/2.3.0/rubygems.rb:279:in synchronize' from /opt/sensu/embedded/lib/ruby/site_ruby/2.3.0/rubygems.rb:279:inactivate_bin_path’
from /opt/sensu/embedded/bin/check-ping.rb:22:in `’

can anyone please help me how to resolve this issue ??

Thanks in advance