Error(s) in re-building vignettes:
--- re-building ‘ces.Rmd’ using rmarkdown
Loading required package: smooth
Loading required package: greybox
Package "greybox", v0.5.9 loaded.
This is package "smooth", v2.5.5
Loading required package: Mcomp
Loading required package: forecast
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 'ces.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘ces.Rmd’

--- re-building ‘es.Rmd’ using rmarkdown
Loading required package: smooth
Loading required package: greybox
Package "greybox", v0.5.9 loaded.
This is package "smooth", v2.5.5
Loading required package: Mcomp
Loading required package: forecast
Warning: 'aTMSE' is used as loss function instead of 'MSE'. The results of the model selection may be wrong.
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 'es.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘es.Rmd’

--- re-building ‘gum.Rmd’ using rmarkdown
Loading required package: smooth
Loading required package: greybox
Package "greybox", v0.5.9 loaded.
This is package "smooth", v2.5.5
Loading required package: Mcomp
Loading required package: forecast
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 'gum.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘gum.Rmd’

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

--- re-building ‘simulate.Rmd’ using rmarkdown
Loading required package: smooth
Loading required package: greybox
Package "greybox", v0.5.9 loaded.
This is package "smooth", v2.5.5
You have generated 50 time series. Not sure which of them to plot.
Please use plot(ourSimulation$data[,k]) instead. Plotting randomly selected series N11.
You have generated 10 time series. Not sure which of them to plot.
Please use plot(ourSimulation$data[,k]) instead. Plotting randomly selected series N7.
You have generated 10 time series. Not sure which of them to plot.
Please use plot(ourSimulation$data[,k]) instead. Plotting randomly selected series N9.
You have generated 50 time series. Not sure which of them to plot.
Please use plot(ourSimulation$data[,k]) instead. Plotting randomly selected series N35.
You have generated 50 time series. Not sure which of them to plot.
Please use plot(ourSimulation$data[,k]) instead. Plotting randomly selected series N15.
You have generated 50 time series. Not sure which of them to plot.
Please use plot(ourSimulation$data[,k]) instead. Plotting randomly selected series N23.
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 'simulate.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘simulate.Rmd’

--- re-building ‘sma.Rmd’ using rmarkdown
Loading required package: smooth
Loading required package: greybox
Package "greybox", v0.5.9 loaded.
This is package "smooth", v2.5.5
Loading required package: Mcomp
Loading required package: forecast
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 'sma.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘sma.Rmd’

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

--- re-building ‘ssarima.Rmd’ using rmarkdown
Loading required package: smooth
Loading required package: greybox
Package "greybox", v0.5.9 loaded.
This is package "smooth", v2.5.5
Loading required package: Mcomp
Loading required package: forecast
Warning: xreg did not contain values for the holdout, so we had to predict missing values.
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 'ssarima.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘ssarima.Rmd’

--- re-building ‘ves.Rmd’ using rmarkdown
Loading required package: smooth
Loading required package: greybox
Package "greybox", v0.5.9 loaded.
This is package "smooth", v2.5.5
Loading required package: Mcomp
Loading required package: forecast
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 'ves.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘ves.Rmd’

SUMMARY: processing the following files failed:
  ‘ces.Rmd’ ‘es.Rmd’ ‘gum.Rmd’ ‘oes.Rmd’ ‘simulate.Rmd’ ‘sma.Rmd’
  ‘smooth.Rmd’ ‘ssarima.Rmd’ ‘ves.Rmd’

Error: Vignette re-building failed.
Execution halted