java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at com.cloudbees.jenkins.plugins.docker_build_env.Docker.runDetached(Docker.java:176)
at com.cloudbees.jenkins.plugins.docker_build_env.DockerBuildWrapper.startBuildContainer(DockerBuildWrapper.java:200)
at com.cloudbees.jenkins.plugins.docker_build_env.DockerBuildWrapper.setUp(DockerBuildWrapper.java:173)
at hudson.model.Build$BuildExecution.doRun(Build.java:154)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:536)
at hudson.model.Run.execute(Run.java:1738)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:98)
at hudson.model.Executor.run(Executor.java:381)

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