ODBC error code

[austine_power007]

Warning: odbc_exec(): SQL error: [Microsoft][ODBC Microsoft Access Driver] Too few parameters. Expected 1., SQL state 07001 in SQLExecDirect in c:\inetpub\wwwroot\flash\login.php on line 11
Wrong data


what is the meaning of this message? please help me my line 11 is:

$query = odbc_exec($odbc, "SELECT * FROM login WHERE dev_name = $name and pass = $password ") or die ("Wrong data");