ssis error

hi,

i am getting following error :

Error: 0xC0202009 at Data Flow Task 1, Source - ntis [84]: SSIS Error Code DTS_E_OLEDBERROR.  An OLE DB error has occurred. Error code: 0x80040E0E.
An OLE DB record is available.  Source: "Microsoft JET Database Engine"  Hresult: 0x80040E0E  Description: "Bookmark is invalid.".