When enabling "Aggregate downstream test results" post-build action, I'm getting this error in v1.545 and v1.546.

[ANALYSIS-COLLECTOR] Computing warning deltas based on reference build #34
ERROR: Publisher hudson.tasks.test.AggregatedTestResultPublisher aborted due to exception
java.lang.NullPointerException
at hudson.tasks.test.AggregatedTestResultPublisher$TestResultAction.getProject(AggregatedTestResultPublisher.java:173)
at hudson.tasks.test.AggregatedTestResultPublisher$TestResultAction.<init>(AggregatedTestResultPublisher.java:146)
at hudson.tasks.test.AggregatedTestResultPublisher$TestResultAction.<init>(AggregatedTestResultPublisher.java:135)
at hudson.tasks.test.AggregatedTestResultPublisher.perform(AggregatedTestResultPublisher.java:90)
at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:785)
at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:757)
at hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.post2(MavenModuleSetBuild.java:1030)
at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:706)
at hudson.model.Run.execute(Run.java:1703)
at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:519)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:231)