i have created a simple xform on the OpenMRS. when i click on the submit it i am getting this bellow mention error.
ca.uhn.hl7v2.HL7Exception: Invalid concept ID ‘null’ in hl7 message with uid: SZS7JAKrY1WfAmjp5WUx
ca.uhn.hl7v2.app.ApplicationException: ca.uhn.hl7v2.HL7Exception: Invalid concept ID ‘null’ in hl7 message with uid: SZS7JAKrY1WfAmjp5WUx at org.openmrs.hl7.handler.ORUR01Handler.processMessage(ORUR01Handler.java:160) at ca.uhn.hl7v2.app.MessageTypeRouter.processMessage(MessageTypeRouter.java:52) at org.openmrs.module.xforms.formentry.HL7Receiver.processMessage(HL7Receiver.java:68) at org.openmrs.module.xforms.formentry.HL7InQueueProcessor.processHL7InQueue(HL7InQueueProcessor.java:63) at org.openmrs.module.xforms.XformsQueueProcessor.processDoc(XformsQueueProcessor.java:321) at org.openmrs.module.xforms.XformsQueueProcessor.submitXForm(XformsQueueProcessor.java:294) at org.openmrs.module.xforms.XformsQueueProcessor.processXForm(XformsQueueProcessor.java:178) at org.openmrs.module.xforms.download.XformDataUploadManager.queueForm(XformDataUploadManager.java:227) at org.openmrs.module.xforms.download.XformDataUploadManager.processXform(XformDataUploadManager.java:90) at org.openmrs.module.xforms.web.controller.XformDataUploadController.onSubmit(XformDataUploadController.java:98) at org.springframework.web.servlet.mvc.SimpleFormController.processFormSubmission(SimpleFormController.java:272) at org.springframework.web.servlet.mvc.AbstractFormController.handleRequestInternal(AbstractFormController.java:268) at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153) at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48) 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:644) at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:560) at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.openmrs.module.web.filter.ForcePasswordChangeFilter.doFilter(ForcePasswordChangeFilter.java:65) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:76) at org.openmrs.module.xforms.web.XformsFilter.doFilter(XformsFilter.java:53) at org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:74) at org.openmrs.module.web.filter.ModuleFilter.doFilter(ModuleFilter.java:58) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.openmrs.web.filter.OpenmrsFilter.doFilterInternal(OpenmrsFilter.java:111) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Unknown Source) Caused by: ca.uhn.hl7v2.HL7Exception: Invalid concept ID ‘null’ in hl7 message with uid: SZS7JAKrY1WfAmjp5WUx at org.openmrs.hl7.handler.ORUR01Handler.getConcept(ORUR01Handler.java:933) at org.openmrs.hl7.handler.ORUR01Handler.getConcept(ORUR01Handler.java:892) at org.openmrs.hl7.handler.ORUR01Handler.processORU_R01(ORUR01Handler.java:257) at org.openmrs.hl7.handler.ORUR01Handler.processMessage(ORUR01Handler.java:152) … 61 more