Error(s) in re-building vignettes:
--- re-building ‘bes-2015.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 'bes-2015.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘bes-2015.Rmd’

--- re-building ‘bes-2017.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 'bes-2017.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘bes-2017.Rmd’

--- re-building ‘bes-2019.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 'bes-2019.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘bes-2019.Rmd’

--- re-building ‘census-11.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 'census-11.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘census-11.Rmd’

--- re-building ‘introduction.Rmd’ using rmarkdown

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Joining, by = c("pano", "ons_const_id", "constituency_name", "country", "region", "constituency_type")
Warning: Column `constituency_name` joining factor and character vector, coercing into character vector
Warning: Column `country` joining factor and character vector, coercing into character vector
Warning: Column `region` joining factor and character vector, coercing into character vector
Warning: Column `constituency_type` joining factor and character vector, coercing into character vector
`geom_smooth()` using method = 'loess' and formula 'y ~ x'
Warning: Removed 60 rows containing non-finite values (stat_smooth).
Warning: Removed 60 rows containing missing values (geom_point).
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 'introduction.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘introduction.Rmd’

SUMMARY: processing the following files failed:
  ‘bes-2015.Rmd’ ‘bes-2017.Rmd’ ‘bes-2019.Rmd’ ‘census-11.Rmd’
  ‘introduction.Rmd’

Error: Vignette re-building failed.
Execution halted