KimPrincipalRecipient with a null KimPrincipal

2015-04-16 11:45:34,669 [KFS/KSB-pool-1-thread-2] u:/d:3613 ERROR org.kuali.rice.kew.engine.node.RequestsNode :: Caught exception routing
java.lang.IllegalArgumentException: Attempted to create a KimPrincipalRecipient with a null KimPrincipal!
        at org.kuali.rice.kew.actionrequest.KimPrincipalRecipient.<init>(KimPrincipalRecipient.java:38)
        at org.kuali.rice.kew.actionrequest.KimPrincipalRecipient.<init>(KimPrincipalRecipient.java:33)
        at org.kuali.rice.kew.actionrequest.ActionRequestFactory.addRoleResponsibilityRequest(ActionRequestFactory.java:439)
        at org.kuali.rice.kew.role.RoleRouteModule.findActionRequests(RoleRouteModule.java:115)
        at org.kuali.rice.kew.engine.node.RequestsNode.getNewActionRequests(RequestsNode.java:185)
        at org.kuali.rice.kew.engine.node.RoleNode.processCustom(RoleNode.java:86)
        at org.kuali.rice.kew.engine.node.RequestsNode.process(RequestsNode.java:55)
        at org.kuali.rice.kew.engine.transition.SimpleTransitionEngine.isComplete(SimpleTransitionEngine.java:35)
        at org.kuali.rice.kew.engine.StandardWorkflowEngine.processNodeInstance(StandardWorkflowEngine.java:183)
        at org.kuali.rice.kew.engine.StandardWorkflowEngine.process(StandardWorkflowEngine.java:146)
        at org.kuali.rice.kew.impl.document.DocumentProcessingQueueImpl.processWithOptions(DocumentProcessingQueueImpl.java:66)
        at sun.reflect.GeneratedMethodAccessor1150.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
        at com.sun.proxy.$Proxy159.processWithOptions(Unknown Source)
        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.kuali.rice.ksb.messaging.MessageServiceInvoker.invokeService(MessageServiceInvoker.java:157)
        at org.kuali.rice.ksb.messaging.MessageServiceInvoker$1.doInTransaction(MessageServiceInvoker.java:72)
        at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)
        at org.kuali.rice.ksb.messaging.MessageServiceInvoker.run(MessageServiceInvoker.java:67)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
        at java.lang.Thread.run(Thread.java:662)