Hallo,
bei mir gibt es keine Fehler.
Code:
\documentclass[12pt,ngerman]{scrreprt}
\listfiles
%%%%%%%%%%%%%%%%%%%%
\usepackage{babel}
\usepackage[latin1]{inputenc}
\usepackage[T1]{fontenc}
%%%%%%%%%%%%%%%%%%%
\usepackage{titlesec}
\titleformat{\section}[frame] % FEHLER IN DIESER ZEILE
{\normalfont}
{\filright
\footnotesize
\enspace SECTION \thesection\enspace}
{8pt}
{\Large\bfseries\filcenter}
\titleformat{\subsection}[display] % FEHLER IN DIESER ZEILE
{\bfseries\Large}
{}
{0pt}
{\thesubsection\hspace{1ex}}
[%\vspace{0.3ex}%
\titlerule
\vspace{0.5ex}]
%%%%%%%%%%%%%%%%%%%
\begin{document}
\chapter{bla}
text
\section{blub}
text
\subsection{blablub}
text
\end{document}
Gruß
Marco
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