Plötzliches und unerklärliches Problem mit Kompilierung

\documentclass[a4paper,
12pt,
twoside,
%headsepline,
headings=normal,
captions=tableheading,
captions=nooneline,
chapterprefix=true,
numbers=noenddot,
index=totoc,
bibliography=totoc,
leqno,
%fleqn
]{scrbook}
\usepackage{scrpage2}
\usepackage[pdftex]{graphicx}
\usepackage[T1]{fontenc} 
\usepackage[ansinew]{inputenc}
\usepackage{mathptmx}
\usepackage{setspace}
\usepackage[ngerman]{babel}
\usepackage{geometry}
\geometry{headsep=0.77cm, left=30mm, right=47mm, top=40mm, bottom=45mm}
\usepackage{tocstyle}
\usetocstyle{allwithdot}
\newtocstyle[KOMAlike][leaders]{KOMAlikewithdot}{}%%%%%%%%%%%%%%%%%Punkte im Inhaltsverzeichnis auf ChapterEbene
\usetocstyle{KOMAlikewithdot}
\setcounter{secnumdepth}{4}
\setcounter{tocdepth}{4}
\setlength{\parskip}{0pt}
\usepackage{blindtext}
\begin{document}
\chapter{Problembeschreibung}
%
\section{Hier geht es los}
\blindtext
%
\subsection{Abschnitt beginnt hier}
%
Um zu verdeutlichen, dass von der Formatierung her alle Abschnitte gleich enden, verzichte ich mal auf blindtext und schreibe das hier auf. So, nun endet der Text und der nächste Unterabschnitt fängt an. 
%
\subsubsection{Neue Unterabschnitt}
%
\blindtext 
 
\blindtext
 
\blindtext
%
\subsubsection{Noch weiter runter}
%
\blindtext
\end{document}

\makeatletter
\renewcommand\section{\@startsection
   {section}{1}{0mm}%         % name, ebene, einzug
   {2\baselineskip}%            % vor-abstand
   {2\baselineskip}%            % nach-abstand
  % {\bfseries\sffamily\Large}%      % layout wollte ich nicht aendern
   }
\makeatother
\makeatletter
\renewcommand\subsection{\@startsection
   {subsection}{2}{0mm}%      % name, ebene, einzug
   {2\baselineskip}%            % vor-abstand
   {2\baselineskip}%            % nach-abstand
%   {\bfseries\sffamily\large}%           % layout
   }
\makeatother
\makeatletter
\renewcommand\subsubsection{\@startsection
   {subsubsection}{3}{0mm}%      % name, ebene, einzug
   {2\baselineskip}%            % vor-abstand
   {2\baselineskip}%            % nach-abstand
%   {\bfseries\sffamily\large}%           % layout
   }
\makeatother

Package biblatex Info: Reference section=0 on input line 189.
Package biblatex Info: Reference segment=0 on input line 189.
Package tocstyle Info: prepare \l@part for redefinition on input line 189.
Package tocstyle Info: prepare \l@chapter for redefinition on input line 189.
Package tocstyle Info: prepare \l@section for redefinition on input line 189.
LaTeX Font Info:    Try loading font information for OT1+ptmcm on input line 189.
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File: ot1ptmcm.fd 2000/01/03 Fontinst v1.801 font definitions for OT1/ptmcm.
)
LaTeX Font Info:    Try loading font information for OML+ptmcm on input line 189.
 
("C:\Program Files\MiKTeX 2.9\tex\latex\psnfss\omlptmcm.fd"
File: omlptmcm.fd 2000/01/03 Fontinst v1.801 font definitions for OML/ptmcm.
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LaTeX Font Info:    Try loading font information for OMX+psycm on input line 189.
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File: omxpsycm.fd 2000/01/03 Fontinst v1.801 font definitions for OMX/psycm.
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LaTeX Font Info:    Font shape `OT1/ptm/bx/n' in size <12> not available
(Font)              Font shape `OT1/ptm/b/n' tried instead on input line 189.
LaTeX Font Info:    Font shape `OT1/ptm/bx/n' in size <9> not available
(Font)              Font shape `OT1/ptm/b/n' tried instead on input line 189.
LaTeX Font Info:    Font shape `OT1/ptm/bx/n' in size <7> not available
(Font)              Font shape `OT1/ptm/b/n' tried instead on input line 189.
Package tocstyle Info: prepare \l@subsection for redefinition on input line 189.
Package tocstyle Info: prepare \l@subsubsection for redefinition on input line 189.
Package tocstyle Info: prepare \l@paragraph for redefinition on input line 189.
Package tocstyle Info: prepare \l@table for redefinition on input line 189.
Package tocstyle Info: prepare \l@figure for redefinition on input line 189.
 (C:\Users\RN\Buch\danke.tex
Underfull \hbox (badness 10000) in paragraph at lines 5--9
 
 []
 
)
LaTeX Font Info:    Font shape `OT1/ptm/bx/n' in size <10.95> not available
(Font)              Font shape `OT1/ptm/b/n' tried instead on input line 200.
LaTeX Font Info:    Font shape `OT1/ptm/bx/n' in size <8> not available
(Font)              Font shape `OT1/ptm/b/n' tried instead on input line 200.
LaTeX Font Info:    Font shape `OT1/ptm/bx/n' in size <6> not available
(Font)              Font shape `OT1/ptm/b/n' tried instead on input line 200.
 [5
 
 
 
 
 
 
 
 
 
 
 
 
{C:/Users/RN/AppData/Local/MiKTeX/2.9/pdftex/config/pdftex.map}] [6
 
 
 
] (C:\Users\RN\Buch\Promotion.toc
number indent by \l@... (toc, 0):  0.0pt
text indent by \l@... (toc, 0):  18.0pt
number indent by parent (toc, 0):  0.0pt
text indent calculated (toc, 0): 18.0pt
number indent calculated (toc, 0): 0.0pt
number indent by \l@... (toc, 0):  0.0pt
text indent by \l@... (toc, 0):  18.0pt
number indent by parent (toc, 0):  0.0pt
text indent calculated (toc, 0): 18.0pt
number indent calculated (toc, 0): 0.0pt
number indent by \l@... (toc, 1):  18.0pt
text indent by \l@... (toc, 1):  27.60004pt
number indent by parent (toc, 1):  18.0pt
text indent calculated (toc, 1): 27.60004pt
number indent calculated (toc, 1): 18.0pt
number indent by \l@... (toc, 1):  18.0pt
text indent by \l@... (toc, 1):  27.60004pt
number indent by parent (toc, 1):  18.0pt
text indent calculated (toc, 1): 27.60004pt
number indent calculated (toc, 1): 18.0pt
number indent by \l@... (toc, -1):  0.0pt
text indent by \l@... (toc, -1):  24.0pt
number indent by parent (toc, -1):  0.0pt
text indent calculated (toc, -1): 24.0pt
number indent calculated (toc, -1): 0.0pt
number indent by \l@... (toc, 0):  0.0pt
text indent by \l@... (toc, 0):  18.0pt
number indent by parent (toc, 0):  0.0pt
text indent calculated (toc, 0): 18.0pt
number indent calculated (toc, 0): 0.0pt
Runaway argument?
{\numberline {2.1}
! Paragraph ended before \@dottedtocline was complete.
<to be read again> 
                   \par 
l.17 \contentsline {section}{\numberline {2.1}\par
                                                   }{17}
I suspect you've forgotten a `}', causing me to apply this
control sequence to too much text. How can we recover?
My plan is to forget the whole thing and hope for the best.
 
! Extra }, or forgotten \endgroup.
l.17 ...entsline {section}{\numberline {2.1}\par }
                                                  {17}
I've deleted a group-closing symbol because it seems to be
spurious, as in `$x}$'. But perhaps the } is legitimate and
you forgot something else, as in `\hbox{$x}'. In such cases
the way to recover is to insert both the forgotten and the
deleted material, e.g., by typing `I$}'.
 
number indent by \l@... (toc, 3):  84.0pt
text indent by \l@... (toc, 3):  49.20007pt
number indent by parent (toc, 3):  84.0pt
text indent calculated (toc, 3): 49.20007pt
number indent calculated (toc, 3): 84.0pt
Runaway argument?
{\numberline {2.1.0.2}
! Paragraph ended before \@dottedtocline was complete.
<to be read again> 
                   \par 
l.21 ... {subsubsection}{\numberline {2.1.0.2}\par
                                                   }{22}
I suspect you've forgotten a `}', causing me to apply this
control sequence to too much text. How can we recover?
My plan is to forget the whole thing and hope for the best.
 
! Extra }, or forgotten \endgroup.
l.21 ...subsubsection}{\numberline {2.1.0.2}\par }
                                                  {22}
I've deleted a group-closing symbol because it seems to be
spurious, as in `$x}$'. But perhaps the } is legitimate and
you forgot something else, as in `\hbox{$x}'. In such cases
the way to recover is to insert both the forgotten and the
deleted material, e.g., by typing `I$}'.
 
Runaway argument?
{\numberline {2.1.0.3}
! Paragraph ended before \@dottedtocline was complete.
<to be read again> 
                   \par 
l.23 ... {subsubsection}{\numberline {2.1.0.3}\par
                                                   }{26}
I suspect you've forgotten a `}', causing me to apply this
control sequence to too much text. How can we recover?
My plan is to forget the whole thing and hope for the best.
 
! Extra }, or forgotten \endgroup.
l.23 ...subsubsection}{\numberline {2.1.0.3}\par }
                                                  {26}
I've deleted a group-closing symbol because it seems to be
spurious, as in `$x}$'. But perhaps the } is legitimate and
you forgot something else, as in `\hbox{$x}'. In such cases
the way to recover is to insert both the forgotten and the
deleted material, e.g., by typing `I$}'.
 
number indent by \l@... (toc, 3):  84.0pt
text indent by \l@... (toc, 3):  49.20007pt
number indent by parent (toc, 3):  84.0pt
text indent calculated (toc, 3): 49.20007pt
number indent calculated (toc, 3): 84.0pt
 
Underfull \hbox (badness 1931) in paragraph at lines 25--25
 [][] []\T1/ptm/m/n/12 Das For-schungs-pro-gramm um Kah-ne-man 
 []
 
number indent by \l@... (toc, 3):  84.0pt
text indent by \l@... (toc, 3):  49.20007pt
number indent by parent (toc, 3):  84.0pt
text indent calculated (toc, 3): 49.20007pt
number indent calculated (toc, 3): 84.0pt
Runaway argument?
{\numberline {2.2}
! Paragraph ended before \@dottedtocline was complete.
<to be read again> 
                   \par 
l.29 \contentsline {section}{\numberline {2.2}\par
                                                   }{33}
I suspect you've forgotten a `}', causing me to apply this
control sequence to too much text. How can we recover?
My plan is to forget the whole thing and hope for the best.
 
! Extra }, or forgotten \endgroup.
l.29 ...entsline {section}{\numberline {2.2}\par }
                                                  {33}
I've deleted a group-closing symbol because it seems to be
spurious, as in `$x}$'. But perhaps the } is legitimate and
you forgot something else, as in `\hbox{$x}'. In such cases
the way to recover is to insert both the forgotten and the
deleted material, e.g., by typing `I$}'.
 
Runaway argument?
{\numberline {2.2.0.6}
! Paragraph ended before \@dottedtocline was complete.
<to be read again> 
                   \par 
l.31 ... {subsubsection}{\numberline {2.2.0.6}\par
                                                   }{34}
I suspect you've forgotten a `}', causing me to apply this
control sequence to too much text. How can we recover?
My plan is to forget the whole thing and hope for the best.
 
! Extra }, or forgotten \endgroup.
l.31 ...subsubsection}{\numberline {2.2.0.6}\par }
                                                  {34}
I've deleted a group-closing symbol because it seems to be
spurious, as in `$x}$'. But perhaps the } is legitimate and
you forgot something else, as in `\hbox{$x}'. In such cases
the way to recover is to insert both the forgotten and the
deleted material, e.g., by typing `I$}'.
 
Runaway argument?
{\numberline {2.2.0.7}
! Paragraph ended before \@dottedtocline was complete.
<to be read again> 
                   \par 
l.33 ... {subsubsection}{\numberline {2.2.0.7}\par
                                                   }{37}
I suspect you've forgotten a `}', causing me to apply this
control sequence to too much text. How can we recover?
My plan is to forget the whole thing and hope for the best.
 
! Extra }, or forgotten \endgroup.
l.33 ...subsubsection}{\numberline {2.2.0.7}\par }
                                                  {37}
I've deleted a group-closing symbol because it seems to be
spurious, as in `$x}$'. But perhaps the } is legitimate and
you forgot something else, as in `\hbox{$x}'. In such cases
the way to recover is to insert both the forgotten and the
deleted material, e.g., by typing `I$}'.
 
number indent by \l@... (toc, 3):  84.0pt
text indent by \l@... (toc, 3):  49.20007pt
number indent by parent (toc, 3):  84.0pt
text indent calculated (toc, 3): 49.20007pt
number indent calculated (toc, 3): 84.0pt
Runaway argument?
{\numberline {2.3}
! Paragraph ended before \@dottedtocline was complete.
<to be read again> 
                   \par 
l.37 \contentsline {section}{\numberline {2.3}\par