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java.lang.NullPointerException: 	at java.util.ArrayList.addAll(ArrayList.java:559)	at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:894)	at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:830)	at org.jenkinsci.plugins.workflow.steps.scm.SCMStep.checkout(SCMStep.java:109)	at org.jenkinsci.plugins.workflow.cps.CpsScmFlowDefinition.create(CpsScmFlowDefinition.java:108)	at org.jenkinsci.plugins.workflow.multibranch.SCMBinder.create(SCMBinder.java:85)	at org.jenkinsci.plugins.workflow.job.WorkflowRun.run(WorkflowRun.java:206)	at hudson.model.ResourceController.execute(ResourceController.java:98)	at hudson.model.Executor.run(Executor.java:410)