update med plus og minus request

Hvad er der galt her:

ADODB.Recordset error '800a0cc1'

Item cannot be found in the collection corresponding to the requested name or ordinal.

/peppino/addforum.asp, line 51


Koden:


<%
id = session("id")
set rs = Server.CreateObject("ADODB.Recordset")
rs.Open "SELECT * FROM bruger WHERE id=" & id, conn, 1, 3
rs("pointud") = rs("pointude") + request.form("point") 'her er linje 51
rs("pointnu") = rs("pointnu") - request.form("point")
rs.Update
%>

/Peppino