出错应该是在这个事件:
Private Sub Form_Current()
Dim strParentDocName As String
On Error Resume Next
strParentDocName = Me.Parent.NAME
If Err <> 0 Then
GoTo Form_Current_Exit
Else
On Error GoTo Form_Current_Err
Me.Parent![QueryJNWJ子窗体].Requery '就是这句开始的吧。
Me.Parent![分类卷号] = [分类卷号]
End If