Error(s) in re-building vignettes:
--- re-building ‘break_caret.Rmd’ using rmarkdown
Loading required package: lattice
Loading required package: ggplot2
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 'break_caret.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘break_caret.Rmd’

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

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

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

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

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

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

SUMMARY: processing the following files failed:
  ‘break_caret.Rmd’ ‘break_glm.Rmd’ ‘break_lm.Rmd’
  ‘break_randomForest.Rmd’ ‘break_ranger.Rmd’ ‘break_svm.Rmd’
  ‘break_xgboost.Rmd’

Error: Vignette re-building failed.
Execution halted