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### Running command:
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###   /Library/Frameworks/R.framework/Resources/bin/R CMD build --keep-empty-dirs --no-resave-data beadarray
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* checking for file ‘beadarray/DESCRIPTION’ ... OK
* preparing ‘beadarray’:
* checking DESCRIPTION meta-information ... OK
* cleaning src
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building ‘ImageProcessing.rnw’ using knitr
Error: processing vignette 'ImageProcessing.rnw' failed with diagnostics:
Running 'texi2dvi' on 'ImageProcessing.tex' failed.
LaTeX errors:
! Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Emergency stop.
 ...                                              
                                                  
l.64 ...}{rgb}{0.941, 0.941, 0.941}\color{fgcolor}
                                                  \begin{kframe}
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘ImageProcessing.rnw’

--- re-building ‘beadarray.rnw’ using knitr
Error: processing vignette 'beadarray.rnw' failed with diagnostics:
Running 'texi2dvi' on 'beadarray.tex' failed.
LaTeX errors:
! Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Emergency stop.
 ...                                              
                                                  
l.66 ...}{rgb}{0.941, 0.941, 0.941}\color{fgcolor}
                                                  \begin{kframe}
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘beadarray.rnw’

--- re-building ‘beadlevel.rnw’ using knitr
2024-05-29 16:00:56.873 R[45763:1964963102] XType: com.apple.fonts is not accessible.
2024-05-29 16:00:56.873 R[45763:1964963102] XType: XTFontStaticRegistry is enabled.
Error: processing vignette 'beadlevel.rnw' failed with diagnostics:
Running 'texi2dvi' on 'beadlevel.tex' failed.
LaTeX errors:
! Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Emergency stop.
 ...                                              
                                                  
l.58 ...}{rgb}{0.941, 0.941, 0.941}\color{fgcolor}
                                                  \begin{kframe}
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘beadlevel.rnw’

--- re-building ‘beadsummary.rnw’ using knitr
Error: processing vignette 'beadsummary.rnw' failed with diagnostics:
Running 'texi2dvi' on 'beadsummary.tex' failed.
LaTeX errors:
! Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Emergency stop.
 ...                                              
                                                  
l.65 ...}{rgb}{0.941, 0.941, 0.941}\color{fgcolor}
                                                  \begin{kframe}
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘beadsummary.rnw’

SUMMARY: processing the following files failed:
  ‘ImageProcessing.rnw’ ‘beadarray.rnw’ ‘beadlevel.rnw’
  ‘beadsummary.rnw’

Error: Vignette re-building failed.
Execution halted