java.lang.IllegalArgumentException: Null value not allowed as an environment variable: TESTFLIGHT_CONFIG_URL
at hudson.EnvVars.put(EnvVars.java:162)
at hudson.EnvVars.put(EnvVars.java:64)
at java.util.AbstractMap.putAll(AbstractMap.java:256)
at java.util.TreeMap.putAll(TreeMap.java:304)
at testflight.TestflightRecorder$EnvAction.buildEnvVars(TestflightRecorder.java:366)
at hudson.model.AbstractBuild.getEnvironment(AbstractBuild.java:867)
at hudson.tasks.Mailer.perform(Mailer.java:112)
at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:19)
at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:717)
at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:692)
at hudson.model.Build$BuildExecution.post2(Build.java:183)
at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:639)
at hudson.model.Run.execute(Run.java:1527)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:236)