Unable to upate RRC artifact: ERROR erver.services.requirements.RequirementsDispatcher - CRRRS1007E A problem occurred in the Requirements Management

Hi All,

I am trying to update RRC/DNG  artifact with link using OSLC rest api. I am trying to add links in RRC artifact, but it is getting failed with below error.

ERROR erver.services.requirements.RequirementsDispatcher  - CRRRS1007E  A problem occurred in the Requirements Management (RM) server: Entry [61066d2feb7c7486]
java.lang.RuntimeException: Invalid model.
 at com.ibm.rdm.fronting.server.services.types.internal.ProjectTypeSystem.getRangeResource(ProjectTypeSystem.java:524)
 at com.ibm.rdm.fronting.server.services.types.internal.ProjectTypeSystem.getAttributeTypeFromAttributeDefinitionRange(ProjectTypeSystem.java:499)
 at com.ibm.rdm.fronting.server.services.calm.internal.OSLC20ContentHandler.addProperties(OSLC20ContentHandler.java:940)
 at com.ibm.rdm.fronting.server.services.calm.internal.OSLC20ContentHandler.addAdditionalProperties(OSLC20ContentHandler.java:1298)
 at com.ibm.rdm.fronting.server.services.calm.internal.OSLC20ContentHandler.getRequirementModel(OSLC20ContentHandler.java:843)
 at com.ibm.rdm.fronting.server.services.calm.internal.OSLC20ContentHandler.doGet(OSLC20ContentHandler.java:704)
 at com.ibm.rdm.fronting.server.services.RMRestService.doGetInternal(RMRestService.java:68)
 at com.ibm.rdm.fronting.server.services.RMRestService.runInternalMethod(RMRestService.java:445)
 at com.ibm.rdm.fronting.server.services.RMRestService.handleMethod(RMRestService.java:386)
 at com.ibm.rdm.fronting.server.services.RMRestService.performService(RMRestService.java:322)
 at com.ibm.rdm.fronting.server.services.DispatchingRMRestService.performService(DispatchingRMRestService.java:26)
 at com.ibm.rdm.fronting.server.services.RMRestServiceBase.service(RMRestServiceBase.java:223)
 at com.ibm.team.jfs.app.servlet.AppContainerServlet.dispatchRequest(AppContainerServlet.java:164)
 at com.ibm.team.jfs.app.servlet.AppContainerServlet.service(AppContainerServlet.java:297)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
 at com.ibm.team.repository.servlet.AbstractTeamServerServlet.service(AbstractTeamServerServlet.java:1520)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
 at org.eclipse.equinox.http.registry.internal.ServletManager$ServletWrapper.service(ServletManager.java:180)
 at org.eclipse.equinox.http.servlet.internal.ServletRegistration.service(ServletRegistration.java:61)
 at org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:126)
 at org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:76)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
 at org.eclipse.equinox.servletbridge.BridgeServlet.service(BridgeServlet.java:120)
 at com.ibm.team.repository.server.servletbridge.JazzServlet.service(JazzServlet.java:74)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
 at com.ibm.team.repository.server.servletbridge.BridgeFilter.processDelegate(BridgeFilter.java:165)
 at com.ibm.team.repository.server.servletbridge.BridgeFilter.doFilter(BridgeFilter.java:198)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
 at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
 at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:339)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
 at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
 at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
 at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315)
 at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:906)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:929)
 at java.lang.Thread.run(Thread.java:761)

Thank you in advance