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

--- re-building ‘ggsolvencyii.Rmd’ using rmarkdown
scaling is based on a max (level= 1) value of 30
scaling is based on a max (level= 1) value of 30
for id = 1 the description dependent rotation is : 325.945945945946 degrees
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 'ggsolvencyii.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘ggsolvencyii.Rmd’

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

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

SUMMARY: processing the following files failed:
  ‘coding_overview.Rmd’ ‘ggsolvencyii.Rmd’ ‘plotdetails.Rmd’
  ‘showcase.Rmd’

Error: Vignette re-building failed.
Execution halted