Logwatcher Plugin installed in linux but data is not reflecting the new relic

[Premkummar]

I have installed logwatcher plugin in my linux servers and received the following output.

ruby newrelic_logwatcher_agent.rb
[Wed Oct 10 23:56:03 UTC 2018] WARN: SSL is disabled by default when using Ruby 1.8.x
[Wed Oct 10 23:56:03 UTC 2018] INFO: Using Ruby SDK version: 1.3.1
[Wed Oct 10 23:56:03 UTC 2018] INFO: Agent Logwatcher is at version 0.0.2
[Wed Oct 10 23:56:03 UTC 2018] DEBUG: Start collecting agent data for poll cycle
[Wed Oct 10 23:56:03 UTC 2018] DEBUG: Finished collecting agent data for poll cycle
/usr/lib/ruby/gems/1.8/gems/newrelic_plugin-1.3.1/lib/newrelic_platform_binding/component.rb:14:in key': undefined method +' for nil:NilClass (NoMethodError)
from /usr/lib/ruby/gems/1.8/gems/newrelic_plugin-1.3.1/lib/newrelic_platform_binding/request.rb:101:in component_has_metrics?' from /usr/lib/ruby/gems/1.8/gems/newrelic_plugin-1.3.1/lib/newrelic_platform_binding/request.rb:85:in build_components_array'
from /usr/lib/ruby/gems/1.8/gems/newrelic_plugin-1.3.1/lib/newrelic_platform_binding/request.rb:84:in each' from /usr/lib/ruby/gems/1.8/gems/newrelic_plugin-1.3.1/lib/newrelic_platform_binding/request.rb:84:in build_components_array'
from /usr/lib/ruby/gems/1.8/gems/newrelic_plugin-1.3.1/lib/newrelic_platform_binding/request.rb:69:in build_request_data_structure' from /usr/lib/ruby/gems/1.8/gems/newrelic_plugin-1.3.1/lib/newrelic_platform_binding/request.rb:16:in deliver'
from /usr/lib/ruby/gems/1.8/gems/newrelic_plugin-1.3.1/lib/newrelic_plugin/run.rb:128:in loop_forever' from /usr/lib/ruby/gems/1.8/gems/newrelic_plugin-1.3.1/lib/newrelic_plugin/run.rb:15:in setup_and_run'
from newrelic_logwatcher_agent.rb:137

Where the output is not reported in our new relic monitoring system