shr8.2请假流程创建实例失败

提交请假单后，提示创建流程实例失败，流程配置方面没有看出什么问题，请各位老师帮忙看看，比较紧急，日志如下
流程定义ID：100cd3cc-4bf9-49e7-b264-34b84d8038b2WFPRCDEF

Error message:null
Caused exception message is: error! objIndex:null
Stack trace:
Caused by: com.kingdee.bos.workflow.WfException :
null
Caused exception message is: error! objIndex:null
java.lang.IllegalArgumentException: error! objIndex:null
at com.kingdee.bos.workflow.util.ScriptUtil.buildScriptContext4EvalGetByIndex(ScriptUtil.java:639)
at com.kingdee.bos.workflow.util.ScriptUtil.evalPropertyExpr(ScriptUtil.java:541)
at com.kingdee.bos.workflow.enactment.WfProcess.prepare4startup(WfProcess.java:354)
at com.kingdee.bos.workflow.enactment.WfProcess.innerStartAndCommitFirstActivity(WfProcess.java:272)
at com.kingdee.bos.workflow.enactment.WfEngine.createProcInst(WfEngine.java:3356)
at com.kingdee.bos.workflow.enactment.WfEngine.acceptCreateProcessInstEvent(WfEngine.java:1125)
at com.kingdee.bos.workflow.enactment.WfEngine.acceptEvent(WfEngine.java:904)
at com.kingdee.bos.workflow.enactment.WfEngine.acceptEventSupport(WfEngine.java:856)
at com.kingdee.bos.workflow.engine.core.thread.WfBizEventHandler.execute(WfBizEventHandler.java:168)
at com.kingdee.bos.workflow.engine.core.thread.WfJobHandler.handler(WfJobHandler.java:210)
at sun.reflect.GeneratedMethodAccessor1070.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.util.InvocationExecutor.execute(InvocationExecutor.java:28)
at com.kingdee.bos.workflow.transaction.WfTxInvoker.invoke(WfTxInvoker.java:33)
at sun.reflect.GeneratedMethodAccessor366.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.GeneratedMethodAccessor998.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.$Proxy287.invokeRequired(Unknown Source)
at com.kingdee.bos.workflow.metas.InvokeMethodDelegate.invokeRequired(InvokeMethodDelegate.java:61)
at sun.reflect.GeneratedMethodAccessor997.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.kingdee.bos.ResponseInvocationHandler.invoke(ResponseInvocationHandler.java:194)
at com.sun.proxy.$Proxy286.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)