Error(s) in re-building vignettes:
--- re-building ‘batch-mode.Rmd’ using rmarkdown
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 'batch-mode.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘batch-mode.Rmd’

--- re-building ‘brightness-timeseries.Rmd’ using rmarkdown
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 'brightness-timeseries.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘brightness-timeseries.Rmd’

--- re-building ‘single-images.Rmd’ using rmarkdown
`geom_smooth()` using method = 'loess' and formula 'y ~ x'
`geom_smooth()` using method = 'loess' and formula 'y ~ x'
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 'single-images.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘single-images.Rmd’

SUMMARY: processing the following files failed:
  ‘batch-mode.Rmd’ ‘brightness-timeseries.Rmd’ ‘single-images.Rmd’

Error: Vignette re-building failed.
Execution halted