Error(s) in re-building vignettes:
--- re-building ‘datagovsgR-vignette.Rmd’ using rmarkdown

Quitting from lines 32-33 [unnamed-chunk-2] (datagovsgR-vignette.Rmd)
Error: processing vignette 'datagovsgR-vignette.Rmd' failed with diagnostics:
Server Error has occured.
--- failed re-building ‘datagovsgR-vignette.Rmd’

SUMMARY: processing the following file failed:
  ‘datagovsgR-vignette.Rmd’

Error: Vignette re-building failed.
Execution halted