单据工作流提交后到直接上级挂起

单据工作流提交后到直接上级挂起，但是这个人员是有直接上级的，而且不是兼职，但是工作流提交后到直接上级直接挂起了，请教这是啥原因呀

错误日志：
Caused by: com.kingdee.bos.workflow.WfException :
没有找到活动(部门负责人)的参与人！
com.kingdee.bos.workflow.WfException: 没有找到活动(部门负责人)的参与人！
at com.kingdee.bos.workflow.engine.listener.AbstractAssignmentCheck.suspend(AbstractAssignmentCheck.java:64)
at com.kingdee.bos.workflow.engine.listener.AbstractAssignmentCheck.execute(AbstractAssignmentCheck.java:55)
at com.kingdee.cbos.process.vm.internal.i.wrapper.NodeListenerWrapper.execute(NodeListenerWrapper.java:42)
at com.kingdee.cbos.process.vm.internal.i.wrapper.ListenerWrapper.invoke(ListenerWrapper.java:53)
at com.kingdee.cbos.process.vm.internal.r.ExecutionImpl.execute(ExecutionImpl.java:723)
at com.kingdee.cbos.process.vm.internal.r.ControllerImpl.execute(ControllerImpl.java:72)
at com.kingdee.cbos.process.vm.internal.r.ControllerImpl.execute(ControllerImpl.java:58)
at com.kingdee.cbos.process.vm.internal.r.ControllerImpl.execute(ControllerImpl.java:33)
at com.kingdee.bos.workflow.engine.core.thread.WfTransitExecutor.execute(WfTransitExecutor.java:85)
at com.kingdee.bos.workflow.engine.core.thread.WfJobHandler.handler(WfJobHandler.java:210)
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 com.kingdee.bos.workflow.util.InvocationExecutor.execute(InvocationExecutor.java:28)
at com.kingdee.bos.workflow.transaction.WfTxInvoker.invoke(WfTxInvoker.java:33)
at sun.reflect.GeneratedMethodAccessor431.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.kingdee.bos.workflow.metas.InvokeMethodDelegateControllerBean.invoke(InvokeMethodDelegateControllerBean.java:77)
at com.kingdee.bos.workflow.metas.InvokeMethodDelegateControllerBean._invokeRequired(InvokeMethodDelegateControllerBean.java:31)
at com.kingdee.bos.workflow.metas.AbstractInvokeMethodDelegateControllerBean.invokeRequired(AbstractInvokeMethodDelegateControllerBean.java:46)
at sun.reflect.GeneratedMethodAccessor546.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.kingdee.bos.transaction.EJBTxFacade.TxInvokerBean.invoke(TxInvokerBean.java:125)
at com.kingdee.bos.transaction.EJBTxFacade.TxInvokerBean.INVOKE_REQUIRED(TxInvokerBean.java:60)
at com.kingdee.bos.transaction.EJBTxFacade.TxInvokerBean_LocalObjectImpl_2.INVOKE_REQUIRED(Unknown Source)
at com.kingdee.bos.transaction.EJBTransactionProxy.invoke(EJBTransactionProxy.java:171)
at com.kingdee.bos.transaction.EJBTransactionProxy.invoke(EJBTransactionProxy.java:324)
at com.sun.proxy.$Proxy297.invokeRequired(Unknown Source)
at com.kingdee.bos.workflow.metas.InvokeMethodDelegate.invokeRequired(InvokeMethodDelegate.java:61)
at sun.reflect.GeneratedMethodAccessor545.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.kingdee.bos.ResponseInvocationHandler.invoke(ResponseInvocationHandler.java:194)
at com.sun.proxy.$Proxy296.invokeRequired(Unknown Source)
at com.kingdee.bos.workflow.transaction.WfTxHelper.invokeRequired(WfTxHelper.java:83)
at com.kingdee.bos.workflow.engine.core.thread.WfJobHandler.invoke(WfJobHandler.java:86)
at com.kingdee.bos.workflow.engine.core.thread.WfJobHandler.invoke(WfJobHandler.java:198)
at com.kingdee.bos.workflow.engine.core.thread.WfJobHandler.execute(WfJobHandler.java:114)
at com.kingdee.bos.service.job.core.ThreadWorker.execute(ThreadWorker.java:183)
at com.kingdee.bos.service.job.core.ThreadWorker.run(ThreadWorker.java:112)
at java.lang.Thread.run(Thread.java:745)
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