凭证引出（高级）提示这个错误：

Caused exception message is: null

Caused exception message is: com.kingdee.eas.fi.gl.app.VoucherControllerBeanEx

at com.kingdee.eas.fi.gl.app.WSVoucherControllerBean._nExportVoucher(WSVoucherControllerBean.java:2925)

at com.kingdee.eas.fi.gl.app.AbstractWSVoucherControllerBean.nExportVoucher(AbstractWSVoucherControllerBean.java:181)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:498)

at com.kingdee.bos.transaction.EJBTxFacade.TxInvokerBean.invoke(TxInvokerBean.java:125)

at com.kingdee.bos.transaction.EJBTxFacade.TxInvokerBean.INVOKE_SUPPORTS(TxInvokerBean.java:64)

at com.kingdee.bos.transaction.EJBTxFacade.TxInvokerBean_LocalObjectImpl_2.INVOKE_SUPPORTS(Unknown Source)

at com.kingdee.bos.transaction.EJBTransactionProxy.invoke(EJBTransactionProxy.java:180)

at com.kingdee.bos.transaction.EJBTransactionProxy.invoke(EJBTransactionProxy.java:325)

at com.sun.proxy.$Proxy1122.nExportVoucher(Unknown Source)

at com.kingdee.eas.fi.gl.WSVoucher.nExportVoucher(WSVoucher.java:146)

at rpc_generate._PROXY_com_1_kingdee_1_eas_1_fi_1_gl_1_IWSVoucher.pi5(Unknown Source)

at rpc_generate._PROXY_com_1_kingdee_1_eas_1_fi_1_gl_1_IWSVoucher.processInvoke(Unknown Source)

at com.kingdee.bos.rpc.impl.ObjectProxy.processInvoke(ObjectProxy.java:177)

at com.kingdee.bos.rpc.impl.RPCService.serviceInvoke(RPCService.java:814)

at com.kingdee.bos.rpc.impl.RPCService.service(RPCService.java:142)

at com.kingdee.bos.rpc.impl.ServiceDispatcher.run(ServiceDispatcher.java:153)

at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)

at java.util.concurrent.FutureTask.run(FutureTask.java:266)

at com.kingdee.bos.rpc.impl.ThreadPoolExecutorReImpl.runWorker(ThreadPoolExecutorReImpl.java:1152)

at com.kingdee.bos.rpc.impl.ThreadPoolExecutorReImpl$Worker.run(ThreadPoolExecutorReImpl.java:622)

at java.lang.Thread.run(Thread.java:745)

产品问题导入导出凭证报错

产品问题 导入导出凭证报错