Error(s) in re-building vignettes:
--- re-building 'MM2S.Rnw' using knitr
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  "labelcex" is not a graphical parameter
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  "labelcex" is not a graphical parameter
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  "labelcex" is not a graphical parameter
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  "labelcex" is not a graphical parameter
Warning in system(paste(shQuote(texi2dvi), if (quiet) "--quiet" else "",  :
  running command '"C:\PROGRA~1\MiKTeX\miktex\bin\x64\texify.exe" --quiet --pdf "MM2S.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 'MM2S.Rnw' failed with diagnostics:
Failed to locate 'texi2pdf' output file 'MM2S.pdf' for vignette with name 'MM2S' and engine 'knitr::knitr'. The following files exist in working directory 'C:\r_packages\pkgcheck\CRAN\MM2S\MM2S.Rcheck\vign_test\MM2S\vignettes': 'LatticeMatrix.pdf' (125758 bytes), 'MM2S.R' (4356 bytes), 'MM2S.Rnw' (11601 bytes), 'MM2S.aux' (8 bytes), 'MM2S.log' (13159 bytes), 'MM2S.tex' (29146 bytes), 'MM2S.toc' (0 bytes), 'MM2S_FromRawData.Rnw' (8281 bytes), 'MM2S_OverallPredictions_PieDist.pdf' (5591 bytes), 'MM2S_Predictions_Heatmap.pdf' (4635 bytes), 'PC1-PC2.pdf' (25651 bytes), 'PC2-PC3.pdf' (25584 bytes)
--- failed re-building 'MM2S.Rnw'

--- re-building 'MM2S_FromRawData.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 "MM2S_FromRawData.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 'MM2S_FromRawData.Rnw' failed with diagnostics:
running 'texi2dvi' on 'MM2S_FromRawData.tex' failed

LaTeX errors:
RawData.tex:125: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
RawData.tex:144: pdfTeX error (font expansion): auto expansion is only possible
 with scalable fonts.
<argument> ...shipout:D \box_use:N \l_shipout_box 
                                                  \__shipout_drop_firstpage_...
l.144 \end{kframe}
RawData.tex:144:  ==> Fatal error occurred, no output PDF file produced!

--- failed re-building 'MM2S_FromRawData.Rnw'

SUMMARY: processing the following files failed:
  'MM2S.Rnw' 'MM2S_FromRawData.Rnw'

Error: Vignette re-building failed.
Execution halted