On 11/16/07, Ernesto Posse <[EMAIL PROTECTED]> wrote: > I'm trying to use the standard letter layout but when I compile I get > a message saying that "\opening" is an undefined control sequence,
This may be irrelevant, but are you using the letter template shipped with LyX? One thing I know is that "Signature" is a mandatory field, and that it need be before "opening", or smth similar. Try with the template to be sure you do not mess up with these limitations. Regards, Liviu