Error(s) in re-building vignettes:
--- re-building ‘artemis-overview.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Loading required package: ggplot2
Loading required package: loo
This is loo version 2.4.1
- Online documentation and vignettes at mc-stan.org/loo
- As of v2.0.0 loo defaults to 1 core but we recommend using as many as possible. Use the 'cores' argument or set options(mc.cores = NUM_CORES) for an entire session. 
Quitting from lines 164-166 (artemis-overview.Rmd) 
Error: processing vignette 'artemis-overview.Rmd' failed with diagnostics:
polygon edge not found
--- failed re-building ‘artemis-overview.Rmd’

--- re-building ‘modeling.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Loading required package: ggplot2
Loading required package: loo
This is loo version 2.4.1
- Online documentation and vignettes at mc-stan.org/loo
- As of v2.0.0 loo defaults to 1 core but we recommend using as many as possible. Use the 'cores' argument or set options(mc.cores = NUM_CORES) for an entire session. 
--- finished re-building ‘modeling.Rmd’

--- re-building ‘simulation.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Loading required package: ggplot2
Loading required package: loo
This is loo version 2.4.1
- Online documentation and vignettes at mc-stan.org/loo
- As of v2.0.0 loo defaults to 1 core but we recommend using as many as possible. Use the 'cores' argument or set options(mc.cores = NUM_CORES) for an entire session. 
Quitting from lines 130-131 (simulation.Rmd) 
Error: processing vignette 'simulation.Rmd' failed with diagnostics:
polygon edge not found
--- failed re-building ‘simulation.Rmd’

SUMMARY: processing the following files failed:
  ‘artemis-overview.Rmd’ ‘simulation.Rmd’

Error: Vignette re-building failed.
Execution halted