Skeleton:
\documentclass[a4paper,12pt]{article}
\begin{document}
\chapter{How can I make this be understood correctly?}
\section{This, instead, works}
\end{document}
Skeleton:
\documentclass[a4paper,12pt]{article}
\begin{document}
\chapter{How can I make this be understood correctly?}
\section{This, instead, works}
\end{document}
articledoesn't have a\chaptercommand (articles in general don't usually have chapters). usebookorreportinstead:\documentclass[a4paper,12pt]{book}. – Phelype Oleinik Feb 20 '20 at 13:51reporthas the sameabstractenvironment thatarticlehas, so it should do what you want. – Phelype Oleinik Feb 20 '20 at 13:55memoirit's likebookbut also have theabstractenv – daleif Feb 20 '20 at 14:07