Error(s) in re-building vignettes:
  ...
--- re-building ‘usage-example-general-model.Rmd’ using rmarkdown
--- finished re-building ‘usage-example-general-model.Rmd’

--- re-building ‘usage-example-special-model.Rmd’ using rmarkdown
--- finished re-building ‘usage-example-special-model.Rmd’

--- re-building ‘usage-shiny-graphical-interface.Rmd’ using rmarkdown
--- finished re-building ‘usage-shiny-graphical-interface.Rmd’

--- re-building ‘GMCM-JStatSoft.Rnw’ using knitr
Loading required package: lattice
Loading required package: survival
Loading required package: Formula
Loading required package: ggplot2

Attaching package: 'Hmisc'

The following objects are masked from 'package:base':

    format.pval, units

Error: processing vignette 'GMCM-JStatSoft.Rnw' failed with diagnostics:
Running ‘texi2dvi’ on ‘GMCM-JStatSoft.tex’ failed.
LaTeX errors:
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.158 \begin{document}
                      
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.158 \begin{document}
                      
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.158 \begin{document}
                      
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.158 \begin{document}
                      
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.158 \begin{document}
                      
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.158 \begin{document}
                      
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.158 \begin{document}
                      
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.158 \begin{document}
                      
--- failed re-building ‘GMCM-JStatSoft.Rnw’

SUMMARY: processing the following file failed:
  ‘GMCM-JStatSoft.Rnw’

Error: Vignette re-building failed.
Execution halted