Problem trying to synchronizing files from CC with M6a

I got this error message when trying to create a CC synchronized stream:

javax.wvcm.WvcmException: URI NO_CLONE already has a clone link
at com.ibm.team.connector.scm.client.JzRepoResource.storeInteropCloneValue(JzRepoResource.java:933)
at com.ibm.team.connector.scm.client.JzRepoVersionHistory.setPropertyFromClient(JzRepoVersionHistory.java:180)
at com.ibm.rational.wvcm.ri.srvc.SrvcResource.doWriteProperties(SrvcResource.java:836)
at com.ibm.rational.wvcm.ri.srvc.WvcmService.writeProps(WvcmService.java:317)
at com.ibm.rational.wvcm.ri.srvc.WvcmService.doUpdateProperties(WvcmService.java:681)
at com.ibm.rational.wvcm.ri.impl.WvcmServiceConverter.doWriteProperties(WvcmServiceConverter.java:479)
at com.ibm.rational.wvcm.ri.impl.ResourceImpl.doWriteProperties(ResourceImpl.java:217)
at com.ibm.rational.wvcm.interop.InteropStream.createTgtClone(InteropStream.java:2177)
at com.ibm.rational.wvcm.interop.InteropStream.internalSetCloneRoot(InteropStream.java:2375)
at com.ibm.rational.wvcm.interop.InteropStream.internalSetCloneRoots(InteropStream.java:2478)
at com.ibm.rational.wvcm.interop.InteropStream.sync(InteropStream.java:3102)
at com.ibm.team.connector.scm.operations.ConnectorOps.synchronizeStream(ConnectorOps.java:144)
at com.ibm.team.connector.scm.task.ConnectorTasks.updateBuildResult(ConnectorTasks.java:91)
at com.ibm.team.build.ant.task.AbstractPublisherTask.doExecute(AbstractPublisherTask.java:107)
at com.ibm.team.build.ant.task.AbstractTeamBuildTask.execute(AbstractTeamBuildTask.java:407)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:615)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:357)
at org.apache.tools.ant.Target.performTasks(Target.java:385)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)
at org.apache.tools.ant.Project.executeTarget(Project.java:1298)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1181)
at org.apache.tools.ant.Main.runBuild(Main.java:698)
at org.apache.tools.ant.Main.startAnt(Main.java:199)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)

The scenario I went through worked with M5. Is this a known issue with M6a?

Thanks