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

Attaching package: 'DT'

The following object is masked _by_ '.GlobalEnv':

    datatable

Downloading data for the combination 1962, chl, arg...
Downloading data for the combination 1962, chl, arg...
Downloading data for the combination 1963, chl, arg...
Downloading data for the combination 1962, bol, arg...
Downloading data for the combination 1963, bol, arg...
Downloading data for the combination 1962, per, arg...
Downloading data for the combination 1963, per, arg...
Downloading data for the combination 1962, chl, bra...
Downloading data for the combination 1963, chl, bra...
Downloading data for the combination 1962, bol, bra...
Downloading data for the combination 1963, bol, bra...
Downloading data for the combination 1962, per, bra...
Downloading data for the combination 1963, per, bra...
Downloading data for the combination 1962, chl, arg...
Downloading data for the combination 1963, chl, arg...
Downloading data for the combination 1962, per, arg...
Downloading data for the combination 1963, per, arg...
Downloading data for the combination 1962, chl, all, 0101...
Downloading data for the combination 1962, chl, all...
Downloading data for the combination 1963, chl, all...
Downloading data for the combination 1962, arg, all...
Downloading data for the combination 1963, arg, all...
Downloading data for the combination 1962, per, all...
Downloading data for the combination 1963, per, all...
Downloading data for the combination 1962, usa, all...
Downloading data for the combination 1962, usa, all, 0101...
dyld: lazy symbol binding failed: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

dyld: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

Error: processing vignette 'basic-usage.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘basic-usage.Rmd’

SUMMARY: processing the following file failed:
  ‘basic-usage.Rmd’

Error: Vignette re-building failed.
Execution halted