probs on asp_sql command

[MATTXtwo]

dim val 
set rm = Server.CreateObject ("ADODB.Command") 
rm.ActiveConnection=OBJdbConnection 
rm.CommandText="exec get_user" 

rm.Parameters.Append rm.CreateParameter("RETURN",adInteger,adParamReturnValue,4) 

rm.Parameters.Append rm.CreateParameter("@user_id",adVarChar,adParamInput,8,NoStaf) 

rm.Parameters.Append rm.CreateParameter("@pwd",adVarChar,adParamInput,12,Pwd) 
rm.Execute 
val=rm.Parameters("RETURN").Value

------------------------------------------------------------------------------------------------------------------ADODB.Command error '800a0bb9'

Arguments are of the wrong type, are out of acceptable range, or are in conflict with one another.

/Intranet/MainVal2.asp, line 14

[DrBunchman]

I think this is a problem with your parameters. What parameters is your stored procedure expecting and what types are they?

Dr B