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

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

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

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

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

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

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

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

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

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

SUMMARY: processing the following files failed:
  ‘Area_Analysis.Rmd’ ‘Area_Design.Rmd’ ‘CDF_Analysis.Rmd’
  ‘CDF_Deconvolution.Rmd’ ‘Change_Analysis.Rmd’ ‘Finite_Analysis.Rmd’
  ‘Finite_Design.Rmd’ ‘Linear_Analysis.Rmd’ ‘Linear_Design.Rmd’
  ‘Risk_Analysis.Rmd’

Error: Vignette re-building failed.
Execution halted