LaTeX.org

Hi everybody,
I habe a problem with the following section of my document:

\documentclass[10pt]{report}
\usepackage[dvipsnames,usenames]{color}
\usepackage[applemac]{inputenc}
\usepackage[ngerman]{babel}
\usepackage[T1]{fontenc}
\usepackage{array, amsmath, amssymb}

\begin{document}

\fcolorbox ...