各位大侠，本人在做工单关闭时出现以下错误

+---------------------------------------------------------------------------+在制品管理系统: Version : 12.0.0Copyright (c) 1979, 1999, Oracle Corporation. All rights reserved.WICDCL module: 关闭离散任务+---------------------------------------------------------------------------+当前的系统时间为 19-07-2013 10:51:10+---------------------------------------------------------------------------+**Starts**19-07-2013 10:51:10**Ends**19-07-2013 10:51:11一次无法删除一个以上的保留记录+---------------------------------------------------------------------------+FND_FILE 中日志消息开始+---------------------------------------------------------------------------+WIP DISCRETE JOB CLOSEGROUP ID 10005Number of jobs failed because release date before close date : 0Number of jobs failed due to Pending Clocks : 0Cancelling Move Orders if any exists return status SPending Txns CheckNumber of jobs failed due to Pending txns : 0Inside Procedure Close Date Number of failed jobs because of past close date : 0Delivery Quantity CheckNumber of jobs failed in Delivered Quantity : 0lot validatedelete Existing reservationsCurrent accounting Period ID : 10enter-->p_wcti_group_id: 62497Exception has occured+---------------------------------------------------------------------------+FND_FILE 中日志消息结束+---------------------------------------------------------------------------++---------------------------------------------------------------------------+正在执行请求完成选项...Output file size: 90已完成执行请求完成选项。+---------------------------------------------------------------------------+此请求发布的例外：Concurrent Request for "关闭离散任务" has completed with error.+---------------------------------------------------------------------------+已完成并发请求当前的系统时间为 19-07-2013 10:51:11+---------------------------------------------------------------------------+请各位大侠指点