Re: Errore abstract con revtex4-1

Questo, se non fosse per l’abstract, compila:
`\documentclass[twocolumn,prl,nofootinbib]{revtex4}

\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}

\usepackage{graphicx, epsf, epstopdf, subfigure, pdfpages}
\usepackage{floatflt} % con ambiente “floatfigure”
\usepackage{array, multirow, tabularx, booktabs}
\usepackage[labelsep=period, font=footnotesize, labelfont=sl, width=.90\columnwidth]{caption}%[2004/07/16]
\setlength{\abovecaptionskip}{2pt}

\usepackage{abstract}
\usepackage{enumerate, verbatim}
\usepackage{hyperref}

\begin{document}
\title{Bla bla}

\begin{abstract}
Cose a caso.
\end{abstract}
\maketitle

Ecc Ecc

\end{document}
`