Http_poller input plugin issue

Elastic Stack Logstash
4 
 10:54:08.981 [Ruby-0-Thread-3: C:/DATA/Logstash/logstash-5.2.2/vendor/bundle/jruby/1.9/gems/stud-0.0.22/lib/stud/task.rb:22] DEBUG logstash.agent - starting agent
 10:54:08.996 [Ruby-0-Thread-3: C:/DATA/Logstash/logstash-5.2.2/vendor/bundle/jruby/1.9/gems/stud-0.0.22/lib/stud/task.rb:22] DEBUG logstash.agent - starting pipeline {:id=>"main"}
 10:54:09.074 [[main]-pipeline-manager] INFO  logstash.pipeline - Starting pipeline {"id"=>"main", "pipeline.workers"=>4, "pipeline.batch.size"=>125, "pipeline.batch.delay"=>5, "pipeline.max_inflight"=>500}
 10:54:09.152 [[main]-pipeline-manager] INFO  logstash.inputs.http_poller - Registering http_poller Input {:type=>nil, :urls=>{"uat3"=>"https://MyTeamCityServer/app/rest/server/"}, :interval=>60, :schedule=>nil, :timeout=>nil}
 10:54:09.152 [[main]-pipeline-manager] INFO  logstash.pipeline - Pipeline main started
 10:54:09.152 [[main]<http_poller] DEBUG logstash.inputs.http_poller - Fetching URL {:name=>"uat3", :url=>[:get, "https://MyTeamCityServer/app/rest/server/"]}
 10:54:09.184 [[main]<http_poller] ERROR logstash.pipeline - A plugin had an unrecoverable error. Will restart this plugin.
   Plugin: <LogStash::Inputs::HTTP_Poller urls=>{"uat3"=>"https://MyTeamCityServer/app/rest/server/"}, interval=>60, codec=><LogStash::Codecs::JSON id=>"json_bd65a57c-9608-456d-a521-9fcf559ec37e", enable_metric=>true, charset=>"UTF-8">, truststore=>"C
 :\\DATA\\Logstash\\certfile\\RootFile.jks", id=>"44d33c5fb43af50fe180e0c136aa3d44f5bc0436-1", enable_metric=>true, request_timeout=>60, socket_timeout=>10, connect_timeout=>10, follow_redirects=>true, pool_max=>50, pool_max_per_route=>25, keepalive=>true, automa
 tic_retries=>1, retry_non_idempotent=>false, validate_after_inactivity=>200, ssl_certificate_validation=>true, keystore_type=>"JKS", truststore_type=>"JKS", cookies=>true, metadata_target=>"@metadata">
   Error: undefined method `value' for nil:NilClass
   Exception: NoMethodError