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

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

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

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

--- re-building ‘sim.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 'sim.rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘sim.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 ‘glmmTMB.Rnw’ using knitr
Loading required package: stats4
Warning in qt((1 - level)/2, df) : NaNs produced
Warning in max(ids, na.rm = TRUE) :
  no non-missing arguments to max; returning -Inf
--- finished re-building ‘glmmTMB.Rnw’

--- re-building ‘model_evaluation.Rnw’ using knitr
Loading required package: carData
lattice theme set by effectsTheme()
See ?effectsTheme for details.
Loading required package: mvtnorm
Loading required package: survival
Loading required package: TH.data
Loading required package: MASS

Attaching package: 'TH.data'

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

    geyser


Attaching package: 'broom.mixed'

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

    tidyMCMC

Loading required package: ggplot2
Version:  1.36.23
Date:     2017-03-03
Author:   Philip Leifeld (University of Glasgow)

Please cite the JSS article in your publications -- see citation("texreg").

Attaching package: 'huxtable'

The following objects are masked from 'package:xtable':

    align, align<-, caption, caption<-, label, label<-, sanitize

The following object is masked from 'package:ggplot2':

    theme_grey

--- finished re-building ‘model_evaluation.Rnw’

SUMMARY: processing the following files failed:
  ‘covstruct.rmd’ ‘mcmc.rmd’ ‘miscEx.rmd’ ‘parallel.Rmd’ ‘sim.rmd’
  ‘troubleshooting.rmd’

Error: Vignette re-building failed.
Execution halted