Getting error on jenkins log.

[RaviKishoreKota]

Trying to configure Phabricator with Jenkins getting below error please help me to configure?

[phabricator:uberalls] No cobertura results found
com.uber.jenkins.phabricator.conduit.ConduitAPIException: Unable to find 'R3:169' key in 'result': (null object) null
at com.uber.jenkins.phabricator.conduit.DifferentialClient.fetchDiff(DifferentialClient.java:85)
at com.uber.jenkins.phabricator.PhabricatorNotifier.perform(PhabricatorNotifier.java:165)
at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:779)
at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:720)
at hudson.model.Build$BuildExecution.post2(Build.java:185)
at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:665)
at hudson.model.Run.execute(Run.java:1745)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:98)
at hudson.model.Executor.run(Executor.java:404)
[phabricator:conduit] Unable to fetch differential from Conduit API
[phabricator:conduit] Unable to find 'R3:169' key in 'result': (null object) null