i.maxlik

Hello:

I would like to know why when I am running the program "i.maxlik" with only fou
r bands, the computer sends me the following message: "signature file not avala
ivable.... ill conditioned".

If somebody can help me, I will be very happy.

Thanks in advance.

Jose Avila
Laboratorio de Analisis Ambientales
Centro de Ecologia
UNAM