为什么我会收到这个错误消息？不久前它还工作正常，当我运行代码时，它给我错误消息：同步文件夹中得一个或多个项目不匹配.要解决冲突，请打开项目，然后重试此操作.

'create sub
Sub Export_TaskItems()
Dim NS As NameSpace
Dim TaskFolder As Folder
Dim Item As Object
Dim TaskItem As TaskItem

Dim xlApp As Excel.Application
Dim xlwb As Excel.Workbook
Dim xlws As Excel.Worksheet
Dim iRow As Long

Set xlApp = CreateObject("Excel.Application")
Set xlwb = xlApp.Workbooks.Add
Set xlws = xlwb.Worksheets(1)

Set NS = Session
Set TaskFolder = NS.GetDefaultFolder(olFolderToDo)

'this line request the excel table range and add an array of values
xlws.Range("A1").Resize(1, 6).Value = Array("Status", "Start Date", "Due Date", "Task Name", "Importance", "Category")
'the iRow being assigned to row number two which is the row we will insert the information
iRow = 2

'for loop to handle the information/date
For Each Item In TaskFolder.Items
    If Item.Class = olTask Then
    
        Set TaskItem = Item
        
        xlws.Cells(iRow, 1).Value = Convert_Status(TaskItem.Status)
        xlws.Cells(iRow, 2).Value = TaskItem.StartDate
        xlws.Cells(iRow, 3).Value = TaskItem.DueDate
        xlws.Cells(iRow, 4).Value = TaskItem.Subject
        xlws.Cells(iRow, 5).Value = Convert_Importance(TaskItem.Importance)
        xlws.Cells(iRow, 6).Value = TaskItem.Categories
        
        iRow = iRow + 1
    End If
    
Next Item

xlApp.Visible = True

Set xlApp = Nothing

End Sub

Public Function Convert_Status(ByVal Status_Value As Integer) As String

On Error Resume Next
Convert_Status = Array("Not Started", "In Progress", "Complete", "Waiting", "Deferred")(Status_Value)

End Function

Public Function Convert_Importance(ByVal Importance_Value As Integer) As String

On Error Resume Next
Convert_Importance = Array("Low", "Normal", "High")(Importance_Value)

End Function