Unable to load workflow template in Windchill PDMLink

• Import of a Workflow Template using LoadFromFile command fails with error if it is exported from Workflow Template Administration GUI
• ERROR:

Invocation of wt.workflow.definer.LoadWorkflow.createProcessOverview failed with the following argumentskey = TARGET_CONTAINER_KEY value = wt.inf.container.ExchangeContainer:6
java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at wt.ixb.handlers.netmarkets.CsvIxHandler.invokeLoad(CsvIxHandler.java:543)
	at wt.ixb.handlers.netmarkets.CsvIxHandler.createObject(CsvIxHandler.java:239)
	at wt.ixb.publicforhandlers.ClassExporterImporterTemplate.importElement(ClassExporterImporterTemplate.java:411)
	at wt.ixb.publicforhandlers.ClassExporterImporterTemplate.importElements(ClassExporterImporterTemplate.java:535)
	at wt.ixb.publicforapps.Importer.importElements(Importer.java:1453)
	at wt.ixb.publicforapps.Importer.importDocBatchFromJar(Importer.java:2533)
	at wt.ixb.publicforapps.Importer.doBatchImport(Importer.java:2378)
	at wt.ixb.publicforapps.Importer.importIxbDocuments(Importer.java:2356)
	at wt.ixb.publicforapps.Importer.processJarFile(Importer.java:2238)
	at wt.ixb.publicforapps.Importer.importJarFile(Importer.java:1922)
	at wt.ixb.clientAccess.StandardIXBService.doImportImplSingleJar(StandardIXBService.java:2349)
	at wt.ixb.clientAccess.StandardIXBService.doImportImpl(StandardIXBService.java:2438)
	at wt.ixb.clientAccess.StandardIXBService.doImport(StandardIXBService.java:1392)
	at wt.ixb.clientAccess.StandardIXBService.doImport(StandardIXBService.java:1314)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at wt.services.ServiceFactory$ServerInvocationHandler.invoke(ServiceFactory.java:399)
	at com.sun.proxy.$Proxy25.doImport(Unknown Source)
	at wt.clients.workflow.definer.Server.validateAndImportTemplates(Server.java:425)
	at com.ptc.netmarkets.workflow.templatesAdmin.NmWfTemplateAdminCommands.importWfProcessTemplate(NmWfTemplateAdminCommands.java:255)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at com.ptc.core.components.forms.FormDispatcher.callWizardCommand(FormDispatcher.java:112)
	at com.ptc.core.components.forms.FormDispatcher.execute(FormDispatcher.java:98)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at com.ptc.netmarkets.util.beans.NmCommandBean.execute(NmCommandBean.java:2323)
	at com.ptc.jca.mvc.controllers.ActionController.executeWizardAction(ActionController.java:189)
	at com.ptc.jca.mvc.controllers.ActionController.processRequest(ActionController.java:111)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)
	at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:436)
	at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:424)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:669)
	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:585)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:471)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:402)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:329)
	at com.ptc.jca.mvc.controllers.ActionController.processMultipart(ActionController.java:397)
	at com.ptc.jca.mvc.controllers.ActionController.processRequest(ActionController.java:107)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)
	at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:436)
	at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:424)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:669)
	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:585)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at wt.httpgw.filter.WTContextBeanFilter.doWithWtContextBeanHandler(WTContextBeanFilter.java:98)
	at wt.httpgw.filter.WTContextBeanFilter.doFilter(WTContextBeanFilter.java:58)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at wt.servlet.CompressionFilter.doFilter(CompressionFilter.java:248)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at wt.servlet.RequestInterrupter.doFilter(RequestInterrupter.java:325)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at wt.servlet.ServletRequestMonitor.doFilter(ServletRequestMonitor.java:1605)
	at wt.servlet.ServletRequestMonitorFilter.doFilter(ServletRequestMonitorFilter.java:56)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
	at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:200)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:307)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
	at java.lang.Thread.run(Thread.java:662)
	at org.apache.tomcat.util.threads.TaskThread.run(TaskThread.java:77)
Caused by: java.lang.NullPointerException
	at wt.workflow.definer.LoadWorkflow.createProcessOverview(LoadWorkflow.java:3177)
	... 102 more