请问：怎么修正：实时错误91，“对象变量或with变量未设置”（黄色标向：Set lrow = table.rows(0)）

这是获取webbrowser控件网页的表格内容导入数据表中，运行出现：实时错误91，“对象变量或with变量未设置”

Private Sub Command1_Click()
    WebBrowser1.navigate "http://www.

End Sub

Private Sub Form_Load()
    WebBrowser1.Stop
End Sub

Private Sub WebBrowser1_DocumentComplete(ByVal pDisp As Object, URL As Variant)
    Dim doc As MSHTML.HTMLDocument
    Set doc = WebBrowser1.document
    Dim table As MSHTML.HTMLTable
    Dim lrow As MSHTML.HTMLTableRow
    Dim cel As MSHTML.HTMLTableCell
    Set table = doc.getElementById("REPORTID_tab1")
    Dim Conn As ADODB.Connection
   
    Dim FLD() As String
    Set Conn = CreateObject("ADODB.Connection")
   
    Conn.Open "provider=microsoft.jet.oledb.4.0;data source=d:\DB1.MDB"
    Set lrow = table.rows(0)
    ReDim FLD(0 To lrow.cells.length) As String
    Dim i As Integer
    Dim tbname As String
    Dim sql As String
    tbname = InputBox("表1", "table1")
    For i = 0 To lrow.cells.length - 1
        FLD(i) = Replace(Replace(Replace(lrow.cells(i).innerText, "/", ""), "(", ""), ")", "")
        sql = sql & FLD(i) & " varchar(255),"
    Next i
    sql = Left(sql, Len(sql) - 1)
    Conn.Execute "create table " & tbname & " (" & sql & ")"
    Dim j As Integer
    sql = ""
    For i = 0 To lrow.cells.length - 1
        sql = sql & FLD(i) & ","
    Next i
    sql = Left(sql, Len(sql) - 1)
    Dim vlist As String
    For i = 1 To table.rows.length - 1
        vlist = ""
        Set lrow = table.rows(i)
        For j = 0 To lrow.cells.length - 1
            vlist = vlist & "'" & lrow.cells(j).innerText & "',"
        Next j
        vlist = Left(vlist, Len(vlist) - 1)
        Conn.Execute "insert into " & tbname & " (" & sql & ") values (" & vlist & ")"
    Next i
   
    Conn.Close

    Set Conn = Nothing
End Sub