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### Running command:
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###   chmod a+r PCAtools -R && E:\biocbuild\bbs-3.21-bioc\R\bin\R.exe CMD build --keep-empty-dirs --no-resave-data PCAtools
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* checking for file 'PCAtools/DESCRIPTION' ... OK
* preparing 'PCAtools':
* checking DESCRIPTION meta-information ... OK
* cleaning src
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building 'PCAtools.Rmd' using rmarkdown
Warning: ggrepel: 18 unlabeled data points (too many overlaps). Consider increasing max.overlaps
Warning: ggrepel: 23 unlabeled data points (too many overlaps). Consider increasing max.overlaps

Quitting from lines 407-426 [ex9] (PCAtools.Rmd)
Error: processing vignette 'PCAtools.Rmd' failed with diagnostics:
there is no package called 'proj4'
--- failed re-building 'PCAtools.Rmd'

SUMMARY: processing the following file failed:
  'PCAtools.Rmd'

Error: Vignette re-building failed.
Execution halted