借款单问题

EAS8.1产品，费用报销与总账集成，先做了一张借款单200，然后关联生成费用报销单100，故现在需要还款100，当在借款单查询界面点击还款时，系统报错，报错信息如下：
错误信息：Server Component wrap a Throwable. Exception Type is [javax.ejb.TransactionRolledbackLocalException]
Caused exception message is: Unexpected system failure, see server log for details. [Client -- String Serialize]
错误详细堆栈信息：com.kingdee.bos.BOSException: Server Component wrap a Throwable. Exception Type is [javax.ejb.TransactionRolledbackLocalException]
Caused exception message is: Unexpected system failure, see server log for details. [Client -- String Serialize]
at com.kingdee.bos.transaction.EJBTransactionProxy.invoke(EJBTransactionProxy.java:246)
at com.kingdee.bos.transaction.EJBTransactionProxy.invoke(EJBTransactionProxy.java:324)
at com.sun.proxy.$Proxy435.transform(Unknown Source)
at com.kingdee.eas.base.dap.DAPTransformer.transform(DAPTransformer.java:243)
at sun.reflect.GeneratedMethodAccessor681.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
at java.lang.reflect.Method.invoke(Method.java:619)
at com.kingdee.bos.ResponseInvocationHandler.invoke(ResponseInvocationHandler.java:194)
at com.sun.proxy.$Proxy437.transform(Unknown Source)
at com.kingdee.eas.base.dap.app.DapTransformerWrapper.transform(DapTransformerWrapper.java:168)
at com.kingdee.eas.framework.app.CoreBillBaseControllerBean._generateVoucher(CoreBillBaseControllerBean.java:859)
at com.kingdee.eas.framework.app.AbstractCoreBillBaseControllerBean.generateVoucher(AbstractCoreBillBaseControllerBean.java:634)
at com.kingdee.eas.framework.app.CoreBillBaseControllerBean._generateVoucher(CoreBillBaseControllerBean.java:919)
at com.kingdee.eas.framework.app.AbstractCoreBillBaseControllerBean.generateVoucher(AbstractCoreBillBaseControllerBean.java:498)
at sun.reflect.GeneratedMethodAccessor680.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
at java.lang.reflect.Method.invoke(Method.java:619)
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.$Proxy603.generateVoucher(Unknown Source)
at com.kingdee.eas.framework.CoreBillBase.generateVoucher(CoreBillBase.java:337)
at rpc_generate._PROXY_com_1_kingdee_1_eas_1_cp_1_bc_1_IDailyLoanBill.pi116(Unknown Source)
at rpc_generate._PROXY_com_1_kingdee_1_eas_1_cp_1_bc_1_IDailyLoanBill.processInvoke(Unknown Source)
at com.kingdee.bos.rpc.impl.ObjectProxy.processInvoke(ObjectProxy.java:177)
at com.kingdee.bos.rpc.impl.RPCService.serviceInvoke(RPCService.java:780)
at com.kingdee.bos.rpc.impl.RPCService.service(RPCService.java:139)
at com.kingdee.bos.rpc.impl.ServiceDispatcher.run(ServiceDispatcher.java:153)
at com.kingdee.bos.rpc.impl.ThreadJob.run(ThreadJob.java:27)
at com.kingdee.bos.rpc.impl.ThreadPool2$Worker.run(ThreadPool2.java:140)
Caused By: javax.ejb.TransactionRolledbackLocalException
javax.ejb.TransactionRolledbackLocalException: Unexpected system failure, see server log for details.
at com.apusic.ejb.container.Container.postInvokeTx(Container.java:2167)
at com.apusic.ejb.container.Component.postInvoke(Component.java:427)
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.$Proxy435.transform(Unknown Source)
at com.kingdee.eas.base.dap.DAPTransformer.transform(DAPTransformer.java:243)
at sun.reflect.GeneratedMethodAccessor681.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
at java.lang.reflect.Method.invoke(Method.java:619)
at com.kingdee.bos.ResponseInvocationHandler.invoke(ResponseInvocationHandler.java:194)
at com.sun.proxy.$Proxy437.transform(Unknown Source)
at com.kingdee.eas.base.dap.app.DapTransformerWrapper.transform(DapTransformerWrapper.java:168)
at com.kingdee.eas.framework.app.CoreBillBaseControllerBean._generateVoucher(CoreBillBaseControllerBean.java:859)
at com.kingdee.eas.framework.app.AbstractCoreBillBaseControllerBean.generateVoucher(AbstractCoreBillBaseControllerBean.java:634)
at com.kingdee.eas.framework.app.CoreBillBaseControllerBean._generateVoucher(CoreBillBaseControllerBean.java:919)
at com.kingdee.eas.framework.app.AbstractCoreBillBaseControllerBean.generateVoucher(AbstractCoreBillBaseControllerBean.java:498)
at sun.reflect.GeneratedMethodAccessor680.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
at java.lang.reflect.Method.invoke(Method.java:619)
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.$Proxy603.generateVoucher(Unknown Source)
at com.kingdee.eas.framework.CoreBillBase.generateVoucher(CoreBillBase.java:337)
at rpc_generate._PROXY_com_1_kingdee_1_eas_1_cp_1_bc_1_IDailyLoanBill.pi116(Unknown Source)
at rpc_generate._PROXY_com_1_kingdee_1_eas_1_cp_1_bc_1_IDailyLoanBill.processInvoke(Unknown Source)
at com.kingdee.bos.rpc.impl.ObjectProxy.processInvoke(ObjectProxy.java:177)
at com.kingdee.bos.rpc.impl.RPCService.serviceInvoke(RPCService.java:780)
at com.kingdee.bos.rpc.impl.RPCService.service(RPCService.java:139)
at com.kingdee.bos.rpc.impl.ServiceDispatcher.run(ServiceDispatcher.java:153)
at com.kingdee.bos.rpc.impl.ThreadJob.run(ThreadJob.java:27)
at com.kingdee.bos.rpc.impl.ThreadPool2$Worker.run(ThreadPool2.java:140)
Caused by: java.lang.reflect.UndeclaredThrowableException: TxEJB wrap a Not_BaseException while Reflect Invoke ControllerBean.
at com.kingdee.bos.transaction.EJBTxFacade.TxInvokerBean.invoke(TxInvokerBean.java:161)
at com.kingdee.bos.transaction.EJBTxFacade.TxInvokerBean.INVOKE_REQUIRED(TxInvokerBean.java:60)
... 33 more
Caused by: java.lang.NullPointerException
at com.kingdee.eas.base.dap.app.DAPTransformerControllerBean.handleAfterTransform(DAPTransformerControllerBean.java:545)
at com.kingdee.eas.base.dap.app.DAPTransformerControllerBean._transform(DAPTransformerControllerBean.java:618)
at com.kingdee.eas.base.dap.app.AbstractDAPTransformerControllerBean.transform(AbstractDAPTransformerControllerBean.java:340)
at sun.reflect.GeneratedMethodAccessor682.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
at java.lang.reflect.Method.invoke(Method.java:619)
at com.kingdee.bos.transaction.EJBTxFacade.TxInvokerBean.invoke(TxInvokerBean.java:125)
... 34 more
[Client -- String Serialize]