Warum werden meine Absätze nicht eingerückt? (LaTeX)

Question

Einfach ausgedrückt, keiner meiner Absätze ist eingerückt und ich kann nicht herausfinden, welches Paket das Problem verursacht. Der einzige Gedanke ist, mein Problem mit einem frischen Blick zu betrachten.

%%%%%%%%%%%%%%%%%%%%%%%%%%% Setup %%%%%%%%%%%%%%%%%%%%%%%%%%% 
\documentclass[11pt, titlepage]{article}
\usepackage[utf8]{inputenc}
\usepackage{graphicx}
\usepackage{subcaption}
\usepackage{titlepic}
\usepackage{authblk}
\usepackage{url}
\usepackage{appendix}
\usepackage{amssymb}
\usepackage{chngcntr}
\usepackage{listings} %code
\usepackage{siunitx} %degrees
\usepackage{indentfirst} %indents paragraph after a section
\usepackage{parskip} %skipline after paragraph
\counterwithin{figure}{section} %for figure nums by section
\counterwithin{table}{section} %for table nums by section
\usepackage{minted} %For formatting code within doc
\usepackage{amsmath} %Maths tings
\usepackage{wrapfig} % Wrapped figures
\graphicspath{ {./images/} } %image directory
\usepackage{textgreek}
\usepackage{natbib}

%%%%%%%%%%%%%%%%%%%%%%%%% Page Margins %%%%%%%%%%%%%%%%%%%%%%%%% 
\usepackage{geometry} %
\geometry{a4paper, left=27.5mm, right=27.5mm, top=25mm, bottom=25mm}

%%%%%%%%%%%% Header and footer formatting %%%%%%%%%%%%%%%%%%%%
\usepackage{fancyhdr}
\pagestyle{fancy}
\fancyhead{}
\renewcommand{\headrulewidth}{0pt}
\cfoot{\thepage}
\lfoot{AENGM0029}
\rfoot{19044885}
\usepackage[bf, sf]{titlesec}

Wie immer ist jede Hilfe sehr willkommen.