Error(s) in re-building vignettes:
--- re-building 'PS1_Cat.Rmd' using rmarkdown
--- finished re-building 'PS1_Cat.Rmd'

--- re-building 'PS1_Images.Rmd' using rmarkdown

Quitting from lines 28-38 [unnamed-chunk-2] (PS1_Images.Rmd)
Error: processing vignette 'PS1_Images.Rmd' failed with diagnostics:
path too long
--- failed re-building 'PS1_Images.Rmd'

SUMMARY: processing the following file failed:
  'PS1_Images.Rmd'

Error: Vignette re-building failed.
Execution halted