Error(s) in re-building vignettes:
--- re-building 'Paper_Analysis.Rnw' using knitr
Warning in system(paste(shQuote(texi2dvi), if (quiet) "--quiet" else "",  :
  running command '"C:\PROGRA~1\MiKTeX\miktex\bin\x64\texify.exe" --quiet --pdf "Paper_Analysis.tex" --max-iterations=20 -I "C:/r_packages/rinst/share/texmf/tex/latex" -I "C:/r_packages/rinst/share/texmf/bibtex/bst"' had status 1
Error: processing vignette 'Paper_Analysis.Rnw' failed with diagnostics:
running 'texi2dvi' on 'Paper_Analysis.tex' failed

LaTeX errors:
ettes/Paper_Analysis.tex:236: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
ettes/Paper_Analysis.tex:263: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
ettes/Paper_Analysis.tex:344: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
ettes/Paper_Analysis.tex:494: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
ettes/Paper_Analysis.tex:584: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
ettes/Paper_Analysis.tex:679: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              

--- failed re-building 'Paper_Analysis.Rnw'

--- re-building 'PepSAVIms_Introduction.Rnw' using knitr
Warning in system(paste(shQuote(texi2dvi), if (quiet) "--quiet" else "",  :
  running command '"C:\PROGRA~1\MiKTeX\miktex\bin\x64\texify.exe" --quiet --pdf "PepSAVIms_Introduction.tex" --max-iterations=20 -I "C:/r_packages/rinst/share/texmf/tex/latex" -I "C:/r_packages/rinst/share/texmf/bibtex/bst"' had status 1
Error: processing vignette 'PepSAVIms_Introduction.Rnw' failed with diagnostics:
running 'texi2dvi' on 'PepSAVIms_Introduction.tex' failed

LaTeX errors:
ettes/PepSAVIms_Introduction.tex:330: Package xcolor Error: Undefined color `fg
color'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ettes/PepSAVIms_Introduction.tex:383: Package xcolor Error: Undefined color `fg
color'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ettes/PepSAVIms_Introduction.tex:504: Package xcolor Error: Undefined color `fg
color'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ettes/PepSAVIms_Introduction.tex:537: Package xcolor Error: Undefined color `fg
color'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ettes/PepSAVIms_Introduction.tex:601: Package xcolor Error: Undefined color `fg
color'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ettes/PepSAVIms_Introduction.tex:691: Package xcolor Error: Undefined color `fg
color'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ettes/PepSAVIms_Introduction.tex:737: Package xcolor Error: Undefined color `fg
color'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ettes/PepSAVIms_Introduction.tex:786: Package xcolor Error: Undefined color `fg
color'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ettes/PepSAVIms_Introduction.tex:884: Package xcolor Error: Undefined color `fg
color'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ettes/PepSAVIms_Introduction.tex:907: Package xcolor Error: Undefined color `fg
color'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ettes/PepSAVIms_Introduction.tex:992: Package xcolor Error: Undefined color `fg
color'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ettes/PepSAVIms_Introduction.tex:1100: Package xcolor Error: Undefined color `f
gcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ettes/PepSAVIms_Introduction.tex:1147: Package xcolor Error: Undefined color `f
gcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ettes/PepSAVIms_Introduction.tex:1175: Package xcolor Error: Undefined color `f
gcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ettes/PepSAVIms_Introduction.tex:1242: Package xcolor Error: Undefined color `f
gcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ettes/PepSAVIms_Introduction.tex:1281: Package xcolor Error: Undefined color `f
gcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.

--- failed re-building 'PepSAVIms_Introduction.Rnw'

SUMMARY: processing the following files failed:
  'Paper_Analysis.Rnw' 'PepSAVIms_Introduction.Rnw'

Error: Vignette re-building failed.
Execution halted