When I run this code, I'm getting the error:

> 
> "! LaTeX Error: Option clash for package hyperref."
> 
> 
> 

Code

```
\documentclass[11pt,a4paper]{moderncv}
\moderncvtheme[green]{classic}         
\usepackage[scale=0.8]{geometry}
\AtBeginDocument{\recomputelengths} 

\firstname{Rob}
\familyname{Ward}
\mobile{mobile +64 21 0377 936}                   
\phone{phone +64 6 212 0549}                      
\email{contact@robward.co.nz}                      
\homepage{www.robward.co.nz}                

\usepackage[pdftex,
            pdfauthor={Rob Ward},
            pdftitle={CV for Rob Ward},
            pdfsubject={Detailed CV for Rob},                   
            urlcolor={blue}]{hyperref}

\begin{document}

% EDUCATION
\section{Education}
\cventry{2006--2011}{PhD physics/biophysics}{Massey University}{Palmerston North}{New Zealand}{}  % arguments 3 to 6 can be left empty
\cventry{1999--2004}{BSc (hons.) physics}{Victoria University}{Wellington}{New Zealand}{}
\cventry{1999--2002}{BSc mathematics}{Victoria University}{Wellington}{New Zealand}{}
\cventry{1988--1989}{NCEE}{Central Institute of Technology}{Wellington}{New Zealand}{}

\end{document}

```