Error(s) in re-building vignettes:
--- re-building 'MALDIquant-intro.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 "MALDIquant-intro.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 'MALDIquant-intro.Rnw' failed with diagnostics:
running 'texi2dvi' on 'MALDIquant-intro.tex' failed

LaTeX errors:
ignettes/MALDIquant-intro.tex:164: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:172: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:188: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:209: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:263: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:272: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:309: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:331: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:342: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:369: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:380: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:392: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:409: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:429: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:443: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:457: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:467: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:480: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:497: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:516: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:526: Package xcolor Error: Undefined color `fgcol
or'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
ignettes/MALDIquant-intro.tex:536: Package xcolor Error: Undefined color `fgcol
or'.

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

--- failed re-building 'MALDIquant-intro.Rnw'

SUMMARY: processing the following file failed:
  'MALDIquant-intro.Rnw'

Error: Vignette re-building failed.
Execution halted