problem when compile, \section undefined. \renewcommand{\section}

[abraham...@gmail.com]

Hi:
I appreciate a lot the help with "asudis" to write the dissertation. Thanks!

I need a little help to solve a problem when compile "dis.tex":

It display an error:

./asudis.sty:286:\section undefined.\renewcommand{\section}

any help will be highly appreciated.

Thanks
Abraham Aldaco