"forest.sty" viele Fehler

\documentclass[12pt, a4paper]{scrartcl}         
\usepackage{etex}                           
\usepackage[usenames,x11names,dvipsnames,svgnames]{xcolor}
\setlength{\parindent}{0mm}         
\usepackage[ngerman]{babel}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{amsmath, amsxtra, amsfonts}
\usepackage{array}
\usepackage{tabularx}
\usepackage{tabulary}   
\usepackage{amssymb}
\usepackage{exscale}
\usepackage{paralist}                            
\usepackage{setspace}
\usepackage{calc}       
\usepackage{adjustbox}
\usepackage{geometry}
\geometry{a4paper, left=1cm, right=1cm, top=1cm, bottom=1cm}
\usepackage{graphicx}
\usepackage{eurosym}
\usepackage{mathtools}
\usepackage{stmaryrd}
\usepackage{amsmath}
\usepackage{pgfplots}
\usepackage{ngerman}
\usepackage{stackengine}
\usepackage[absolute]{textpos}
\usepackage{soul}
\usepackage{color}
\usepackage{ulem}
\usepackage[outline]{contour}
\usepackage{bbm}                                
\usepackage{ae}                             
\usepackage{framed}
\usepackage{fp}
\usepackage{siunitx}                        
\sisetup{output-decimal-marker={,}}
\usepackage{numprint}                       
\usepackage{bm}         
\usepackage{tikz}
\usepackage{xcolor}
\usepackage[european,straightvoltages]{circuitikz}
\usepackage{marginnote}
\usepackage{setspace}

\usepackage{forest}


% TikZ-Bibliotheken
\usetikzlibrary{arrows}
\usetikzlibrary{shapes}
\usetikzlibrary{decorations.pathmorphing}
\usetikzlibrary{decorations.pathreplacing}
\usetikzlibrary{decorations.shapes}
\usetikzlibrary{decorations.text}
\usetikzlibrary{angles}
\usetikzlibrary{positioning}
\usetikzlibrary{calc}


% Commands
\newcommand{\pug}[1]{#1}

\newcommand{\pu}[1]{\hspace{-2mm} \begin{tiny} von \end{tiny} \hspace{-3.5mm} #1}

\newcommand{\li}[1]{\begin{tikzpicture} \draw[line width=0.1mm] (0cm, 0cm) -- (#1cm, 0cm); \end{tikzpicture}}

\newcommand{\kae}[2]{\begin{tikzpicture} \draw[step=0.5cm,color=gray!80](0,0)grid(#1cm,#2cm); \end{tikzpicture}}

\newcommand{\tabb}[2]{\begin{tabularx}{19.8cm}{@{}Xp{1cm}} #1 & #2 \end{tabularx}}

\newcommand{\tabbu}[2]{\begin{tabularx}{19.8cm}{@{}Xb{1cm}} #1 & #2 \end{tabularx}}

\newcommand{\tabbb}[3]{\begin{tabularx}{19.8cm}{@{}XXp{1cm}} #1 & #2 & #3 \end{tabularx}}

\newcommand{\tabbbb}[4]{\begin{tabularx}{19.8cm}{@{}XXp{1cm}} #1 & #2 & #3 & #4 \end{tabularx}}

\newcommand{\mini}[2]{\begin{minipage}[t]{#1\textwidth} #2 \end{minipage}}

\newcommand{\minibild}[2] {\begin{minipage}[t]{#1\textwidth} \adjincludegraphics[valign=t,width=\textwidth]{#2} \end{minipage}}

\newcommand{\minibildcenter}[2] {\begin{minipage}[c]{#1\textwidth} \adjincludegraphics[valign=t,width=\textwidth]{#2} \end{minipage}}

\newcommand{\fett}[1]{\textbf{#1}}

\newcommand{\kursiv}[1]{\textit{#1}}

\newcommand{\unter}[1]{\underline{#1}}

\newcommand{\hoch}[1]{\textsuperscript{#1}}

\newcommand{\tief}[1]{\textsubscript{#1}}

\newcommand{\vek}[1]{$\overrightarrow{#1 \ }$}

\newcommand{\matrixrund}[1]{$\begin{pmatrix}#1\end{pmatrix}$}

\newcommand{\mal}{\cdot}

\newcommand{\bruch}[2]{$\frac{#1}{#2}$}

\newcommand{\bbruch}[2]{$\dfrac{#1}{#2}$}

\newcommand{\minus}{\scalebox{0.75}[1.0]{$-$}}

\newcommand{\AxisRotator}[1][rotate=0]{
    \tikz [x=0.25cm,y=0.60cm,line width=.2ex,-stealth,#1] \draw (0,0) arc (-150:150:1 and 1);
    }


\newcommand{\kog}{\renewcommand
{\arraystretch}{0.3}
$\begin{matrix}
< \\
=
\end{matrix}$}


\newcommand{\gog}{\renewcommand
{\arraystretch}{0.3}
$\begin{matrix}
> \\
=
\end{matrix}$}


\newcommand{\eins}[1]{\begin{tiny} #1 \end{tiny}}
\newcommand{\zwei}[1]{\begin{scriptsize} #1 \end{scriptsize}}
\newcommand{\drei}[1]{\begin{footnotesize} #1 \end{footnotesize}}
\newcommand{\vier}[1]{\begin{small} #1 \end{small}}

\newcommand{\sechs}[1]{\begin{large} #1 \end{large}}
\newcommand{\sieben}[1]{\begin{Large} #1 \end{Large}}
\newcommand{\acht}[1]{\begin{LARGE} #1 \end{LARGE}}
\newcommand{\neun}[1]{\begin{huge} #1 \end{huge}}
\newcommand{\zehn}[1]{\begin{Huge} #1 \end{Huge}}







% DEFINIERTE FARBEN

\definecolor{lightsteelblue}{RGB}{176,196,222}

\definecolor{green}{RGB}{78,238,148}

\definecolor{skyblue}{RGB}{135,206,235}



% DEFINIERTE FONTS

\newfont{\calligraphic}{callig15 scaled 1200}


% Für Tabellen

\newcolumntype{L}[1]{>{\raggedright\arraybackslash}p{#1}}           
\newcolumntype{C}{>{\centering\arraybackslash}X}        
\newcolumntype{R}[1]{>{\raggedleft\arraybackslash}p{#1}}
\newcolumntype{J}[1]{>{\justifying\arraybackslash}p{#1}}

\renewcommand{\tabularxcolumn}[1]{b{#1}}





\begin{document}


\begin{textblock*}{18.5cm}(1cm,1cm)
\begin{forest} 
parent anchor=south, l sep=4em, s sep=4em
[{}
    [Ballsport, edge label={node[midway,above left]{$66 \% $}},ellipse, draw,
        ,l sep=3em, s sep=1em,  ellipse, draw,
        [{Fussball}, edge label={node[midway,left]{$p \% $}}] 
        [Basketball] 
    ]
    [kein Ballsport, edge label={node[midway,above right]{$34 \% $}}
        ,l sep=3em, s sep=1em,  ellipse, draw,
        [{Weitsprung}, edge label={node[midway,above left]{$40 \% $}}] 
        [Wettschwimmen, edge label={node[pos=0.6,left]{$30 \% $}}]
        [Staffellauf, edge label={node[near end,left]{$12 \% $}}]
        [Gewichtheben, edge label={node[midway,above right]{$18 \% $}}]
           ]]
\end{forest}
\end{textblock*}


\end{document}

\documentclass[12pt, a4paper]{scrartcl}                         
\usepackage[usenames,x11names,dvipsnames,svgnames]{xcolor}
\usepackage[ngerman]{babel}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}

\usepackage[absolute]{textpos}


\usepackage{forest}








\begin{document}


\begin{textblock*}{18.5cm}(1cm,1cm)
\begin{forest} 
parent anchor=south, l sep=4em, s sep=4em
[{}
    [Ballsport, edge label={node[midway,above left]{$66 \% $}},ellipse, draw,
        ,l sep=3em, s sep=1em,  ellipse, draw,
        [{Fussball}, edge label={node[midway,left]{$p \% $}}] 
        [Basketball] 
    ]
    [kein Ballsport, edge label={node[midway,above right]{$34 \% $}}
        ,l sep=3em, s sep=1em,  ellipse, draw,
        [{Weitsprung}, edge label={node[midway,above left]{$40 \% $}}] 
        [Wettschwimmen, edge label={node[pos=0.6,left]{$30 \% $}}]
        [Staffellauf, edge label={node[near end,left]{$12 \% $}}]
        [Gewichtheben, edge label={node[midway,above right]{$18 \% $}}]
           ]]
\end{forest}
\end{textblock*}


\end{document}