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

--- re-building ‘command-line-example.Rmd’ using rmarkdown
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "cin" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "cra" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "csi" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "cxy" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "din" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "page" cannot be set
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 'command-line-example.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘command-line-example.Rmd’

--- re-building ‘solar-examples.Rmd’ using rmarkdown
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "cin" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "cra" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "csi" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "cxy" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "din" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "page" cannot be set
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 'solar-examples.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘solar-examples.Rmd’

--- re-building ‘wind-examples.Rmd’ using rmarkdown
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "cin" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "cra" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "csi" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "cxy" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "din" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "page" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "cin" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "cra" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "csi" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "cxy" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "din" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "page" cannot be set
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 'wind-examples.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘wind-examples.Rmd’

SUMMARY: processing the following files failed:
  ‘GenEstGUI.Rmd’ ‘command-line-example.Rmd’ ‘solar-examples.Rmd’
  ‘wind-examples.Rmd’

Error: Vignette re-building failed.
Execution halted