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### Running command:
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###   chmod a+r MMDiff2 -R && F:\biocbuild\bbs-3.19-bioc\R\bin\R.exe CMD build --keep-empty-dirs --no-resave-data MMDiff2
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* checking for file 'MMDiff2/DESCRIPTION' ... OK
* preparing 'MMDiff2':
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building 'MMDiff2.Rnw' using knitr
!!! Error: Cannot call Ghostscript: `mgs' (No such file or directory/The system cannot find the file specified)!
pdfcrop: major issue: User/administrator updates are out-of-sync.
!!! Error: Cannot call Ghostscript: `mgs' (No such file or directory/The system cannot find the file specified)!
pdfcrop: major issue: User/administrator updates are out-of-sync.
!!! Error: Cannot call Ghostscript: `mgs' (No such file or directory/The system cannot find the file specified)!
pdfcrop: major issue: User/administrator updates are out-of-sync.
!!! Error: Cannot call Ghostscript: `mgs' (No such file or directory/The system cannot find the file specified)!
pdfcrop: major issue: User/administrator updates are out-of-sync.
!!! Error: Cannot call Ghostscript: `mgs' (No such file or directory/The system cannot find the file specified)!
pdfcrop: major issue: User/administrator updates are out-of-sync.
texify: major issue: User/administrator updates are out-of-sync.
Warning in system(paste(shQuote(texi2dvi), if (quiet) "--quiet" else "",  :
  running command '"C:\PROGRA~1\MiKTeX\miktex\bin\x64\texify.exe" --quiet --pdf "MMDiff2.tex" --max-iterations=20 -I "F:/biocbuild/bbs-3.19-bioc/R/share/texmf/tex/latex" -I "F:/biocbuild/bbs-3.19-bioc/R/share/texmf/bibtex/bst"' had status 1
Error: processing vignette 'MMDiff2.Rnw' failed with diagnostics:
running 'texi2dvi' on 'MMDiff2.tex' failed

LaTeX errors:
es/MMDiff2.tex:150: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
es/MMDiff2.tex:180: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
es/MMDiff2.tex:197: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
es/MMDiff2.tex:219: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
es/MMDiff2.tex:245: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
es/MMDiff2.tex:275: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
es/MMDiff2.tex:305: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
es/MMDiff2.tex:323: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
es/MMDiff2.tex:340: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
es/MMDiff2.tex:361: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
es/MMDiff2.tex:392: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
es/MMDiff2.tex:404: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
es/MMDiff2.tex:421: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
es/MMDiff2.tex:437: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
es/MMDiff2.tex:489: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
es/MMDiff2.tex:510: Package xcolor Error: Undefined color `fgcolor'.

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

--- failed re-building 'MMDiff2.Rnw'

SUMMARY: processing the following file failed:
  'MMDiff2.Rnw'

Error: Vignette re-building failed.
Execution halted