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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 OncoSimulR
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* checking for file ‘OncoSimulR/DESCRIPTION’ ... OK
* preparing ‘OncoSimulR’:
* checking DESCRIPTION meta-information ... OK
* cleaning src
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building ‘OncoSimulR.Rmd’ using rmarkdown
Warning: ggrepel: 12 unlabeled data points (too many overlaps). Consider increasing max.overlaps
Warning: ggrepel: 103 unlabeled data points (too many overlaps). Consider increasing max.overlaps
Warning: ggrepel: 7 unlabeled data points (too many overlaps). Consider increasing max.overlaps
Warning: ggrepel: 20 unlabeled data points (too many overlaps). Consider increasing max.overlaps
Quitting from lines 9878-9880 (OncoSimulR.Rmd) 
Error: processing vignette 'OncoSimulR.Rmd' failed with diagnostics:
argument is of length zero
--- failed re-building ‘OncoSimulR.Rmd’

SUMMARY: processing the following file failed:
  ‘OncoSimulR.Rmd’

Error: Vignette re-building failed.
Execution halted