Der log-Datei kann ich entnehmen, dass er wieder ein Problem mit der documentclass hat :/
This is pdfTeX, Version 3.14159265-2.6-1.40.19 (MiKTeX 2.9.6880 64-bit) (preloaded format=pdflatex 2018.11.22) 18 MAR 2019 16:01 entering extended mode **./Markdown.tex (Markdown.tex LaTeX2e <2018-04-01> patch level 5 ("C:\Program Files\MiKTeX 2.9\tex\latex\base\article.cls" Document Class: article 2014/09/29 v1.4h Standard LaTeX document class ("C:\Program Files\MiKTeX 2.9\tex\latex\base\size10.clo" File: size10.clo 2014/09/29 v1.4h Standard LaTeX file (size option) ) \c@part=\count80 \c@section=\count81 \c@subsection=\count82 \c@subsubsection=\count83 \c@paragraph=\count84 \c@subparagraph=\count85 \c@figure=\count86 \c@table=\count87 \abovecaptionskip=\skip41 \belowcaptionskip=\skip42 \bibindent=\dimen102 ) (C:\Users\LocalAdmin\AppData\Roaming\MiKTeX\2.9\tex\latex\markdown\markdown.sty ("C:\Program Files\MiKTeX 2.9\tex\latex\graphics\keyval.sty" Package: keyval 2014/10/28 v1.15 key=value parser (DPC) \KV@toks@=\toks14 ) (C:\Users\LocalAdmin\AppData\Roaming\MiKTeX\2.9\tex\latex\url\url.sty \Urlmuskip=\muskip10 Package: url 2013/09/16 ver 3.4 Verb mode for urls, etc. ) ("C:\Program Files\MiKTeX 2.9\tex\latex\graphics\graphicx.sty" Package: graphicx 2017/06/01 v1.1a Enhanced LaTeX Graphics (DPC,SPQR) ("C:\Program Files\MiKTeX 2.9\tex\latex\graphics\graphics.sty" Package: graphics 2017/06/25 v1.2c Standard LaTeX Graphics (DPC,SPQR) ("C:\Program Files\MiKTeX 2.9\tex\latex\graphics\trig.sty" Package: trig 2016/01/03 v1.10 sin cos tan (DPC) ) ("C:\Program Files\MiKTeX 2.9\tex\latex\graphics-cfg\graphics.cfg" File: graphics.cfg 2016/06/04 v1.11 sample graphics configuration ) Package graphics Info: Driver file: pdftex.def on input line 99. ("C:\Program Files\MiKTeX 2.9\tex\latex\graphics-def\pdftex.def" File: pdftex.def 2018/01/08 v1.0l Graphics/color driver for pdftex )) \Gin@req@height=\dimen103 \Gin@req@width=\dimen104 ) ("C:\Program Files\MiKTeX 2.9\tex\latex\base\ifthen.sty" Package: ifthen 2014/09/29 v1.1c Standard LaTeX ifthen package (DPC) ) (C:\Users\LocalAdmin\AppData\Roaming\MiKTeX\2.9\tex\latex\fancyvrb\fancyvrb.sty Package: fancyvrb 2019/01/15 Style option: `fancyvrb' v3.2a <2019/01/15> (tvz) \FV@CodeLineNo=\count88 \FV@InFile=\read1 \FV@TabBox=\box26 \c@FancyVerbLine=\count89 \FV@StepNumber=\count90 \FV@OutFile=\write3 ) (C:\Users\LocalAdmin\AppData\Roaming\MiKTeX\2.9\tex\latex\csvsimple\csvsimple.s ty Package: csvsimple 2016/07/01 version 1.20 LaTeX CSV file processing (C:\Users\LocalAdmin\AppData\Roaming\MiKTeX\2.9\tex\latex\pgf\utilities\pgfkeys .sty (C:\Users\LocalAdmin\AppData\Roaming\MiKTeX\2.9\tex\generic\pgf\utilities\pgfke ys.code.tex \pgfkeys@pathtoks=\toks15 \pgfkeys@temptoks=\toks16 (C:\Users\LocalAdmin\AppData\Roaming\MiKTeX\2.9\tex\generic\pgf\utilities\pgfke ysfiltered.code.tex \pgfkeys@tmptoks=\toks17 ))) (C:\Users\LocalAdmin\AppData\Roaming\MiKTeX\2.9\tex\latex\etoolbox\etoolbox.sty Package: etoolbox 2018/08/19 v2.5f e-TeX tools for LaTeX (JAW) \etb@tempcnta=\count91 ) ("C:\Program Files\MiKTeX 2.9\tex\latex\tools\shellesc.sty" Package: shellesc 2016/06/07 v0.02a unified shell escape interface for LaTeX Package shellesc Info: Unrestricted shell escape enabled on input line 67. ) \csv@file=\read2 \c@csvinputline=\count92 \c@csvrow=\count93 \c@csvcol=\count94 \csv@out=\write4 ) (markdown.tex ! LaTeX Error: Two \documentclass or \documentstyle commands. See the LaTeX manual or LaTeX Companion for explanation. Type H <return> for immediate help. ... l.1 \documentclass{ article} ?