Klassenoption parskip=half- scheint sich nicht mit Paket titletoc zu vertragen

\documentclass[
paper=128mm:96mm,% like beamer
pagesize,% write page size to dvi or pdf
parskip=half-,% paragraphs are separated by half a line, no special marking of line endings
numbers=noendperiod,% removes points for special parts (e.g. appendix)
captions=nooneline% do not distinguish between one or more lines in captions
]{scrartcl}
\linespread{1.12}% enlarge line space
 
% font stuff
\usepackage[T1]{fontenc}% for correct hyphenation and T1 encoding
\usepackage{lmodern}
\renewcommand{\familydefault}{\sfdefault}% text [not math] will be sans serif (CM-Sans)
\usepackage[american]{babel}% for American English
% \usepackage{microtype}% for character protrusion and font expansion (only with pdflatex)
 
% page structure
\usepackage{calc}% working with lengths, counters etc.
\usepackage[includefoot,top=5.5mm,bottom=4.5mm,left=5.5mm,right=5.5mm,footskip=4mm]{geometry}% set page layout parameters
\usepackage{scrpage2}% package for page style with not only uppercase letters in the head
\usepackage{titlesec}% for reducing space between ((sub)sub)sections and text
\usepackage{titletoc}% for subtocs (see documentation of titlesec); note: can't be used with tocstyle or minitoc
 
% page style and layout
\pagestyle{scrheadings}% activates pagestyle from scrpage2
\clearscrheadfoot% clear head and foot of scrheadings and scrplain
 
% enlarge font sizes of headings by two levels
\addtokomafont{section}{\huge}% from \Large to \huge
\addtokomafont{subsection}{\LARGE}% from \large to \LARGE
\addtokomafont{subsubsection}{\Large}% from \normalsize to \Large
 
% spacings
\titlespacing{\section}{0mm}{0ex plus 1ex minus .2ex}{0ex plus .2ex}% make space (left, before, after) between section and text smaller
\titlespacing{\subsection}{0mm}{0ex plus 1ex minus .2ex}{-.2ex plus .2ex}% make space (left, before, after) between subsection and text smaller
\titlespacing{\subsubsection}{0mm}{0ex plus 1ex minus .2ex}{-.4ex plus .2ex}% make space (left, before, after) between subsubsection and text smaller
\setcounter{secnumdepth}{3}% add numbering down to subsubsection
 
% table of contents
\AtBeginDocument{\renewcaptionname{american}{\contentsname}{\hspace{-0.08em}\Large Outline}}% change name of toc
\setcounter{tocdepth}{3}
\titlecontents{section}[1.2em]{\addvspace{0.6em}\bfseries}{\contentslabel{1.2em}}{\hspace*{-1.2em}}{}[]% define format for section of toc; entries: section, left, above, before with label, before without label, filler and page, after
\titlecontents{subsection}[3em]{}{\contentslabel{1.8em}}{\hspace*{-1.8em}}{}[]% define format for subsection of toc; entries: section, left, above, before with label, before without label, filler and page, after
\titlecontents{subsubsection}[5.6em]{}{\contentslabel{2.6em}}{\hspace*{-2.6em}}{}[]% define format for subsubsection of toc; entries: section, left, above, before with label, before without label, filler and page, after
\titlecontents{psubsection}[1.8em]{\addvspace{0.6em}}{\contentslabel{1.8em}}{\hspace*{-1.8em}}{}[]% define format for section of toc; entries: section, left, above, before with label, before without label, filler and page, after
\titlecontents{psubsubsection}[4.4em]{}{\contentslabel{2.6em}}{\hspace*{-2.6em}}{}[]% define format for subsection of toc; entries: section, left, above, before with label, before without label, filler and page, after
 
 
%%% document %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
\begin{document}
\tableofcontents
\clearpage
\section{Section 1}
\startcontents[]% kind
\printcontents[]{p}{2}{}% kind, prefix, top, init-code
\clearpage
\subsection{Subsection 1.1}
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This is some text This is some text This is some text This is some text This is some text This is some text This is some text This is some text This is some text This is some text This is some text This is some text
\subsubsection{Subsubsection 1.1.1}
\subsection{Subsection 1.2}
\section{Section 2}
\subsection{Subsection 2.1}
\subsubsection{Subsubsection 2.1.1}
\subsubsection{Subsubsection 2.1.2}
\subsection{Subsection 2.2}
\subsubsection{Subsubsection 2.2.1}
\subsubsection{Subsubsection 2.2.2}
\clearpage
\end{document}