每次在移植wincc5.1的项目时，总出现下面错误代码：
Event source: alter table MSMsgGroup
Error source: Microsoft Data Transformation Services (DTS) Package
Error des cription: Cannot find Task associated with Step.
Error code: 0x80040403
DTS package 'AlarmLoggingPkg' reported error.
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ERROR: Error while executing MSCS.exe --> CS AlarmLogging could not be updated.
请问是什么原因？请赐教