Error(s) in re-building vignettes:
--- re-building ‘wflow-01-getting-started.Rmd’ using rmarkdown
Quitting from lines 240-242 (wflow-01-getting-started.Rmd) 
Error: processing vignette 'wflow-01-getting-started.Rmd' failed with diagnostics:
callr subprocess failed: pandoc document conversion failed with error 6
--- failed re-building ‘wflow-01-getting-started.Rmd’

--- re-building ‘wflow-02-customization.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 'wflow-02-customization.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘wflow-02-customization.Rmd’

--- re-building ‘wflow-03-migrating.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 'wflow-03-migrating.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘wflow-03-migrating.Rmd’

--- re-building ‘wflow-04-how-it-works.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 'wflow-04-how-it-works.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘wflow-04-how-it-works.Rmd’

--- re-building ‘wflow-05-faq.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 'wflow-05-faq.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘wflow-05-faq.Rmd’

--- re-building ‘wflow-06-gitlab.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 'wflow-06-gitlab.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘wflow-06-gitlab.Rmd’

--- re-building ‘wflow-07-common-code.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 'wflow-07-common-code.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘wflow-07-common-code.Rmd’

--- re-building ‘wflow-08-deploy.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 'wflow-08-deploy.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘wflow-08-deploy.Rmd’

--- re-building ‘wflow-09-workshop.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 'wflow-09-workshop.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘wflow-09-workshop.Rmd’

--- re-building ‘wflow-10-data.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 'wflow-10-data.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘wflow-10-data.Rmd’

SUMMARY: processing the following files failed:
  ‘wflow-01-getting-started.Rmd’ ‘wflow-02-customization.Rmd’
  ‘wflow-03-migrating.Rmd’ ‘wflow-04-how-it-works.Rmd’
  ‘wflow-05-faq.Rmd’ ‘wflow-06-gitlab.Rmd’ ‘wflow-07-common-code.Rmd’
  ‘wflow-08-deploy.Rmd’ ‘wflow-09-workshop.Rmd’ ‘wflow-10-data.Rmd’

Error: Vignette re-building failed.
Execution halted