请假流程审批挂起

请假流程审批挂起。关键是之前员工请假走流程是好着的，今天提交的所有请假流程到一级审批节点挂起，在此之前流程没有做过修改。提示：工作流自动任务执行时发生错误Caused by: com.kingdee.bos.workflow.WfException :工作流执行自动活动时出错.源活动【{0}】
Caused by: java.lang.RuntimeException :
java.lang.NoSuchMethodError: com/kingdee/lightapp/xt/XTServiceFacade.pushMessage(Lcom/kingdee/bos/Context;Ljava/util/List;Ljava/lang/String;)Ljava/util/Map;
java.lang.NoSuchMethodError: com/kingdee/lightapp/xt/XTServiceFacade.pushMessage(Lcom/kingdee/bos/Context;Ljava/util/List;Ljava/lang/String;)Ljava/util/Map;
at com.kingdee.bos.workflow.lightapp.message.WFMessageHandler.sendMessageToXT(WFMessageHandler.java:64)
at com.kingdee.eas.base.message.app.AssignReadListener.assignmentCreated(AssignReadListener.java:440)
at com.kingdee.bos.workflow.AssignReadListenerExt.assignmentCreated(AssignReadListenerExt.java:46)
at com.kingdee.eas.base.message.app.AssignReadListener.assignmentBatchCreated(AssignReadListener.java:516)
at com.kingdee.bos.workflow.enactment.thread.AssignmentFireEventRunner.fireAssignmentBatchCreated(AssignmentFireEventRunner.java:90)
at com.kingdee.bos.workflow.enactment.thread.AssignmentFireEventRunner.run(AssignmentFireEventRunner.java:56)
at com.kingdee.bos.workflow.enactment.AssignmentWorkerManager.fireCreateAssignmentEvent(AssignmentWorkerManager.java:71)
at com.kingdee.bos.workflow.transaction.TxAssignmentMgr.fireAssignmentCreationEvent(TxAssignmentMgr.java:92)
at com.kingdee.bos.workflow.transaction.WfTxContext.endTx(WfTxContext.java:101)
at com.kingdee.bos.workflow.transaction.WfTxHelper.invokeRequired(WfTxHelper.java:84)
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:809)
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