Similar NPE on all of our jobs using build name setter:

ERROR: Processing failed due to a bug in the code. Please report this to jenkinsci-users@googlegroups.com
java.lang.NullPointerException
at org.jenkinsci.plugins.buildnamesetter.BuildNameSetter.setUp(BuildNameSetter.java:41)
at hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.doRun(MavenModuleSetBuild.java:655)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:534)
at hudson.model.Run.execute(Run.java:1738)
at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:531)
at hudson.model.ResourceController.execute(ResourceController.java:98)
at hudson.model.Executor.run(Executor.java:410)
project=hudson.maven.MavenModuleSet@19c9e8a[player-services-test]
project.getModules()=[hudson.maven.MavenModule@1209012[player-services-test/com.sonos.services:player-services-test][player-services-test/com.sonos.services:player-services-test][relativePath:], hudson.maven.MavenModule@23fe5f[player-services-test/com.sonos.services:sonos-test][player-services-test/com.sonos.services:sonos-test][relativePath:sonos-test], hudson.maven.MavenModule@89efd9[player-services-test/com.sonos.services:sonos-test-dependencies][player-services-test/com.sonos.services:sonos-test-dependencies][relativePath:sonos-test-dependencies]]
project.getRootModule()=hudson.maven.MavenModule@1209012[player-services-test/com.sonos.services:player-services-test][player-services-test/com.sonos.services:player-services-test][relativePath:]
FATAL: null
java.lang.NullPointerException
at org.jenkinsci.plugins.buildnamesetter.BuildNameSetter.setUp(BuildNameSetter.java:41)
at hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.doRun(MavenModuleSetBuild.java:655)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:534)
at hudson.model.Run.execute(Run.java:1738)
at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:531)
at hudson.model.ResourceController.execute(ResourceController.java:98)
at hudson.model.Executor.run(Executor.java:410)

Build Name: #${BUILD_NUMBER}-${ENV,var="STREAM"}