In the process of completing my work, I encountered the following problem: Underfull \hbox (badness 10000) Below is the code I ran: \documentclass{article} \usepackage[T2A]{fontenc} \usepackage[utf8]{inputenc} \usepackage{titling} \usepackage{amssymb} \usepackage{amsthm} \usepackage{tikz} \setlength{\droptitle}{-3.5cm} \setlength{\parindent}{0cm} \newcommand{\squad}{\hspace{0.5em}} ...