As Jean-François already mentioned the titlesec version in use was faulty.
I updated it to version 2.10.2 and everything works fine again. Thank you for your help! Greetings Ben Am Dienstag, 30. Mai 2017 15:00:07 UTC+2 schrieb Benedikt H: > > Hello everyone, > > I hope this is no double posting, but the one I have written an hour ago > has not shown up yet. > > I started working with sphinx at my workplace and created a sample project > to get familiar with it. Generating a pdf file from my rst files works, but > my sections are not numbered. > However within the table of contents everything is numbered just fine. > > Hopefully you can give me an explanation for this behaviour. > > Greetings > Ben > -- You received this message because you are subscribed to the Google Groups "sphinx-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/sphinx-users. For more options, visit https://groups.google.com/d/optout.
