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`.
--- finished re-building ‘linear.Rnw’

--- re-building ‘loss.Rnw’ using knitr
--- finished 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:
! Package xcolor Error: Undefined color `Red'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package xcolor Error: Undefined color `Blue'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package xcolor Error: Undefined color `Blue'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package xcolor Error: Undefined color `Blue'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package xcolor Error: Undefined color `Blue'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package xcolor Error: Undefined color `Blue'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package xcolor Error: Undefined color `Blue'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package xcolor Error: Undefined color `Blue'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package xcolor Error: Undefined color `messagecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
--- 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
--- finished re-building ‘skewnormal.Rnw’

--- re-building ‘survival.Rnw’ using knitr
--- finished re-building ‘survival.Rnw’

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

Error: Vignette re-building failed.
Execution halted