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

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

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

--- re-building ‘tutorial-animations.Rmd’ using rmarkdown
Loading required package: sp
Loading required package: viridisLite

Attaching package: 'gganimate'

The following object is masked from 'package:raster':

    animate

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

--- re-building ‘tutorial-basic.Rmd’ using rmarkdown
Loading required package: sp
Loading required package: viridisLite
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 'tutorial-basic.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘tutorial-basic.Rmd’

--- re-building ‘tutorial-ggplot.Rmd’ using rmarkdown
Loading required package: sp
Loading required package: viridisLite
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 'tutorial-ggplot.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘tutorial-ggplot.Rmd’

--- re-building ‘tutorial-temporal.Rmd’ using rmarkdown
Loading required package: sp
Loading required package: viridisLite
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 'tutorial-temporal.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘tutorial-temporal.Rmd’

SUMMARY: processing the following files failed:
  ‘overview.Rmd’ ‘performance.Rmd’ ‘troubleshooting.Rmd’
  ‘tutorial-animations.Rmd’ ‘tutorial-basic.Rmd’ ‘tutorial-ggplot.Rmd’
  ‘tutorial-temporal.Rmd’

Error: Vignette re-building failed.
Execution halted