Error(s) in re-building vignettes:
--- re-building ‘covstruct.rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
--- finished re-building ‘covstruct.rmd’

--- re-building ‘mcmc.rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
--- finished re-building ‘mcmc.rmd’

--- re-building ‘miscEx.rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
--- finished re-building ‘miscEx.rmd’

--- re-building ‘parallel.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
--- finished re-building ‘parallel.Rmd’

--- re-building ‘sim.rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Quitting from lines 47-49 (sim.rmd) 
Error: processing vignette 'sim.rmd' failed with diagnostics:
polygon edge not found
--- failed re-building ‘sim.rmd’

--- re-building ‘troubleshooting.rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
--- finished re-building ‘troubleshooting.rmd’

--- re-building ‘glmmTMB.Rnw’ using knitr
Loading required package: stats4
--- 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

This is DHARMa 0.4.3. For overview type '?DHARMa'. For recent changes, type news(package = 'DHARMa') Note: Syntax of plotResiduals has changed in 0.3.0, see ?plotResiduals for details
Loading required package: ggplot2
Version:  1.37.5
Date:     2020-06-17
Author:   Philip Leifeld (University of Essex)

Consider submitting praise using the praise or praise_interactive functions.
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 file failed:
  ‘sim.rmd’

Error: Vignette re-building failed.
Execution halted