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"Missing endcsname inserted. Undefined control sequence" for a includegraphics

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everyone.

I've retaken Latex for a project a need to make, and I've been dealing with this problem for two days now. It's driving me nuts.

I've tried uninstalling texlive and texmaker fully and then installing it again, but it doesnt work.

Any help? What am I misiing?

\documentclass[10pt,a4paper]{article}\usepackage[utf8]{inputenc}\usepackage{amsmath}\numberwithin{equation}{section}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{upgreek}\usepackage{graphicx}\usepackage{endnotes}\usepackage{caption}\usepackage{subcaption}\usepackage{mathrsfs}\usepackage[toc]{blindtext}\usepackage{tocbibind}\usepackage{enumerate}\usepackage{float}\usepackage{multirow}\usepackage{multicol}\usepackage[usenames]{color}\usepackage[hidelinks]{hyperref}\usepackage[dvipsnames]{xcolor}\usepackage[spanish, es-tabla]{babel}\usepackage{flushend}\usepackage{booktabs}\usepackage{underscore}\usepackage{wrapfig}\graphicspath{ {./img/} }\author{\textit{Samuel G. Guerrero Camarero}}\title{\textbf{ Práctica 8. El efecto Hall en semiconductores}}\topmargin=-3cm\oddsidemargin=-0.4cm\textwidth=16.5cm\textheight=25cm\topmargin=-2cm\begin{document}\maketitle\vspace*{0.1cm}\begin{center}\rule{0.9\textwidth}{0.1mm} \end{center}\begin{abstract}\normalsize ESTO E EL ABSTRACT DEL INFORME, CENTRADO Y LO PRIMERO DESPUES DE TITULO Y AUTOR.\begin{center}\rule{0.9\textwidth}{0.1mm} \end{center}\vspace*{0.2cm}\end{abstract}\section{Fundamento teórico}El efecto Hall es una consecuencia de la propia naturaleza de la corriente. Esta se basa en el moviemiento de los portadores de carga, tales como electrones, huecos, iones o cualquier combinación de los tres. Si se aplica un campo eléctrico, $\vec{B}$ en la región donde existe corriente eléctrica y en dirección perpendicular a esta, en cada portador con carga $q$ y velocidad $\vec{v}$ aparecerá la conocida \textit{Fuerza de Lorentz}, $\vec{F}_{Lorentz}$, que vendrá dada por\begin{equation}        \vec{F}_{Lorentz}=q\vec{v}\times\vec{B}.\end{equation}Cuando una componente perpendicular de campo magnético se aplica, las trayectorias de los portadores entre colisiones con otras particulas del material, como impurezas, se curvan. Esto hace que los portadores se acumulen en una cara del material. El resultado es una asimetría en la densidad de carga del cuerpo\begin{wrapfigure}{r}{5cm}   \includegraphics[scale=1]{hall_efect}\end{wrapfigure}\begin{thebibliography}{0}    \bibitem{HALLwiki} Hall Efect, Wikipedia. \url{https://en.wikipedia.org/wiki/Hall_effect#cite_note-9}\end{thebibliography}\end{document}

And the error I am getting:

! Missing endcsname inserted.<to be read again>unhboxl.62 \includegraphics{hall_efect}The control sequence marked <to be read again> shouldnot appear between \csname and \endcsname.! Undefined control sequence.GenericError ...#4 errhelp @err@ ...l.62 \includegraphics{hall_efect}The control sequence at the end of the top lineof your error message was never \def'ed. If you havemisspelled it (e.g., `\hobx'), type `I' and the correctspelling (e.g., `I\hbox'). Otherwise just continue,and I'll forget about whatever was undefined.

Thank you in advance!


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