Not able to clone repository using REST API in BPMS/BRMS 6.1

Issue

We are trying to clone the repository using REST API, but When doing that we are getting following exception at serverend. In client side i am getting response code as 404.

ERROR [org.jboss.resteasy.resteasy_jaxrs.i18n] (http-127.0.0.1/127.0.0.1:8080-3) RESTEASY000105: Failed to execute: javax.ws.rs.WebApplicationException
   at org.guvnor.rest.backend.ProjectResource.checkOrganizationalUnitExistence(ProjectResource.java:596) 
   at org.guvnor.rest.backend.ProjectResource.createOrCloneRepository(ProjectResource.java:194) 
   at org.guvnor.rest.backend.ProjectResource$Proxy$_$$_WeldClientProxy.createOrCloneRepository(ProjectResource$Proxy$_$$_WeldClientProxy.java)