Error(s) in re-building vignettes:
--- re-building ‘DataPolymorphism.Rmd’ using rmarkdown
Adding missing grouping variables: `Tree`, `age`
Adding missing grouping variables: `Tree`
Adding missing grouping variables: `Tree`
Adding missing grouping variables: `age`
Adding missing grouping variables: `age`
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 'DataPolymorphism.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘DataPolymorphism.Rmd’

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

--- re-building ‘SpatialPrediction.Rmd’ using rmarkdown
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
Warning in private$.dnames[[1]][rows] = rownames(data) :
  number of items to replace is not a multiple of replacement length
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 'SpatialPrediction.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘SpatialPrediction.Rmd’

--- re-building ‘ClassDiagram.Rnw’ using knitr
--- finished re-building ‘ClassDiagram.Rnw’

SUMMARY: processing the following files failed:
  ‘DataPolymorphism.Rmd’ ‘Forecasting.Rmd’ ‘SpatialPrediction.Rmd’

Error: Vignette re-building failed.
Execution halted