问错误: LaTeX中缺少\begin{document}

EN

! LaTeX Error: Missing \begin{document}.

\documentclass[12pt‎, ‎a4paper]{article}‎
\usepackage{graphicx}  % inserting images
\usepackage[top=3cm,right=3cm,bottom=2.5cm,left=2.5cm]{geometry}                 
\usepackage[colorlinks,linkcolor=blue,citecolor=red]{hyperref} 
\usepackage{multirow}
\usepackage{subfig}
\usepackage{algorithm}
\usepackage{algorithmic}
%\usepackage[utf8]{inputenc}
%\usepackage{color, pdfcolmk}
%\usepackage{sweave}
% setting the margins of page
\usepackage{xepersian}

\usepackage{setspace}
\settextfont[Scale=1.2]{XB Zar}
\setlatintextfont[Scale=1.1]{XB Zar}
\setdigitfont{XB Zar}
\setcounter{secnumdepth}{3}
\SepMark{-}
 \DefaultMathsDigits 
%-----------------------list-------------------------------------
\renewcommand{\listfigurename}{فهرست شکل ها} 
\renewcommand{\listtablename}{فهرست جدول‌ها} 

\renewcommand{\refname}{\rl{{مرجع‌ها}\hfill}}
%---------------------end list-------------------------------------

%\usepackage{geometry}\geometry{left=35mm,right=35mm,  top=30mm,bottom=30mm}


\begin{document}
\pagenumbering{gobble}
\clearpage
\thispagestyle{empty}