LaTeX.org

Can you post your .toc file? Either as code or as attachment here.

And does the Chapter4.tex file start with some code, which code?

Stefan

Welcome to the forum!

Perhaps you have a command like \setcounter{secnumdepth}{...} in the code before that chapter, or a command that has implicitly the same effect. Perhaps show relevant code here.

Stefan

Hi Lyke,

welcome to the forum!

It can simply be that you did not choose (pdf)LaTeX but pdf(TeX) as compiler, so \documentclass is undefined.

Stefan

Welcome to the forum!

I think you need to install the perl-tk packag from the MXlinux repositories to use the installer in th GUI version.

Stefan

Hi Achava, welcome to the forum! I'm happy that you read my book. If you have any LaTeX question, possibly related to the book as well, feel free to post the question(s) here. While my book gives a quick start to the basics, here are some recommended readings for math paper writing, via texdoc.net: ...

Hi Jan,

welcome to the forum!

Stefan

Hi Pieter,

welcome to the forum!

Stefan

Welcome to the forum!

Did you run BibTeX or Biber? Can you post the generated .log and .blg files here, as attachment?

Stefan

Yes, I disabled the article system because of security reasons, and did not find/install a replacement software yet. I plan to set it up again on a server separate from the forum, perhaps simply with Wordpress instead of Joomla (before), it will take some manual work though.

Stefan

I wonder that it's MikTeX? Perhaps you mean MacTeX?

If it's MacTeX, you could start the TeX Live manager (via the Launcher, just type "TeX" and see whats offered) and look if this one helps you.

Stefan