Error(s) in re-building vignettes:
  ...
--- re-building ‘fic.Rnw’ using knitr
--- finished re-building ‘fic.Rnw’

--- re-building ‘linear.Rnw’ using knitr
`stat_bin()` using `bins = 30`. Pick better value with `binwidth`.
`stat_bin()` using `bins = 30`. Pick better value with `binwidth`.
`stat_bin()` using `bins = 30`. Pick better value with `binwidth`.
`stat_bin()` using `bins = 30`. Pick better value with `binwidth`.
`stat_bin()` using `bins = 30`. Pick better value with `binwidth`.
Error: processing vignette 'linear.Rnw' failed with diagnostics:
Running ‘texi2dvi’ on ‘linear.tex’ failed.
LaTeX errors:
! Undefined control sequence.
\hyper@linkurl ...tionraw >>}\relax \Hy@colorlink 
                                                  \@urlcolor #1\Hy@xspace@en...
l.73 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.73 \begin{document}
                     
--- failed re-building ‘linear.Rnw’

--- re-building ‘loss.Rnw’ using knitr
Error: processing vignette 'loss.Rnw' failed with diagnostics:
Running ‘texi2dvi’ on ‘loss.tex’ failed.
LaTeX errors:
! Undefined control sequence.
\hyper@linkurl ...tionraw >>}\relax \Hy@colorlink 
                                                  \@urlcolor #1\Hy@xspace@en...
l.79 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.79 \begin{document}
                     
--- failed re-building ‘loss.Rnw’

--- re-building ‘multistate.Rnw’ using knitr
Error: processing vignette 'multistate.Rnw' failed with diagnostics:
Running ‘texi2dvi’ on ‘multistate.tex’ failed.
LaTeX errors:
! Undefined control sequence.
\hyper@linkurl ...tionraw >>}\relax \Hy@colorlink 
                                                  \@urlcolor #1\Hy@xspace@en...
l.87 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.87 \begin{document}
                     
--- failed re-building ‘multistate.Rnw’

--- re-building ‘skewnormal.Rnw’ using knitr
Warning in nlm(fn1, ini[c("beta0", "logsigma")], hessian = TRUE) :
  NA/Inf replaced by maximum positive value
Warning in nlm(fn3, ini[c("beta0", "logsigma", "loglambda")], hessian = TRUE) :
  NA/Inf replaced by maximum positive value
Error: processing vignette 'skewnormal.Rnw' failed with diagnostics:
Running ‘texi2dvi’ on ‘skewnormal.tex’ failed.
LaTeX errors:
! Undefined control sequence.
\hyper@linkurl ...tionraw >>}\relax \Hy@colorlink 
                                                  \@urlcolor #1\Hy@xspace@en...
l.72 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.72 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.72 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.72 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.72 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.72 \begin{document}
                     
--- failed re-building ‘skewnormal.Rnw’

--- re-building ‘survival.Rnw’ using knitr
Error: processing vignette 'survival.Rnw' failed with diagnostics:
Running ‘texi2dvi’ on ‘survival.tex’ failed.
LaTeX errors:
! Undefined control sequence.
\hyper@linkurl ...tionraw >>}\relax \Hy@colorlink 
                                                  \@urlcolor #1\Hy@xspace@en...
l.78 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.78 \begin{document}
                     
--- failed re-building ‘survival.Rnw’

SUMMARY: processing the following files failed:
  ‘linear.Rnw’ ‘loss.Rnw’ ‘multistate.Rnw’ ‘skewnormal.Rnw’
  ‘survival.Rnw’

Error: Vignette re-building failed.
Execution halted