Error(s) in re-building vignettes:
  ...
--- re-building ‘gap.Rnw’ using Sweave
gap version 1.2.2
Warning in data(lukas, package = "gap.datasets") :
  data set ‘lukas’ not found
Loading required package: Matrix
Loading required package: quadprog
Loading required package: HaploSim
Loading required package: reshape

Attaching package: ‘reshape’

The following object is masked from ‘package:Matrix’:

    expand

--- finished re-building ‘gap.Rnw’

--- re-building ‘jss.Rnw’ using Sweave
Error: processing vignette 'jss.Rnw' failed with diagnostics:
Running ‘texi2dvi’ on ‘jss.tex’ failed.
LaTeX errors:
! Undefined control sequence.
\hyper@linkurl ...tionraw >>}\relax \Hy@colorlink 
                                                  \@urlcolor #1\Hy@xspace@en...
l.47 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.47 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.47 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.47 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.47 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.47 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.47 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.47 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.47 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.47 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.47 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.47 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.47 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.47 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.47 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.47 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.47 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.47 \begin{document}
                     
--- failed re-building ‘jss.Rnw’

SUMMARY: processing the following file failed:
  ‘jss.Rnw’

Error: Vignette re-building failed.
Execution halted