Could not locate group

org.kuali.rice.core.api.exception.RiceRuntimeException: Could not locate group with id '13180495'
    at org.kuali.rice.krad.workflow.service.impl.WorkflowDocumentServiceImpl.handleAdHocRouteRequests(WorkflowDocumentServiceImpl.java:348)
    at org.kuali.rice.krad.workflow.service.impl.WorkflowDocumentServiceImpl.handleAdHocRouteRequests(WorkflowDocumentServiceImpl.java:291)
    at org.kuali.rice.krad.workflow.service.impl.WorkflowDocumentServiceImpl.route(WorkflowDocumentServiceImpl.java:237)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    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.$Proxy77.route(Unknown Source)
    at org.kuali.rice.krad.service.impl.DocumentServiceImpl.routeDocument(DocumentServiceImpl.java:194)
    at za.org.kuali.kfs.module.purap.document.RequisitionDocumentTests.testAdHocDisapprove(RequisitionDocumentTests.java:128)