Modified all registries with same Invoice Num; SUB help!

[capsula4]

Basically I want that when a registry is updated, all the fields are coppied to the rest of the fields that share the same invoice id (FACEXP).

Here is the code:

Private Sub Form_AfterUpdate()
 
Dim rs As DAO.Recordset
Set rs = Form.Recordset
 
' fields to copy
BANCO = Me![BANCO]
FACEXP = Me![N° FAC EXP]
OPERACION = Me![OPERACION]
FECHALTA = Me![FECHA ALTA]
VTOEMB = Me![VTO EMBARQUE]
VTOP = Me![VTO OPERACION]
 
rs.MoveFirst
 
Do Until rs.EOF
    If (Nz(Me![N° FAC EXP], 0) = FACEXP) Then
        Me![BANCO] = BANCO
        Me![N° FAC EXP] = FACEXP
        Me![OPERACION] = OPERACION
        Me![FECHA ALTA] = FECHALTA
        Me![VTO EMBARQUE] = VTOEMB
        Me![VTO OPERACION] = VTOP
    End If
rs.MoveNext
Loop
 
End Sub

The problem is that rs.MoveFirst, rs.MoveNext give me an error, do you know why could it be?