Error(s) in re-building vignettes:
--- re-building ‘AdvancedWaterEnergyBalance.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 127-131 (AdvancedWaterEnergyBalance.Rmd) 
Error: processing vignette 'AdvancedWaterEnergyBalance.Rmd' failed with diagnostics:
polygon edge not found
--- failed re-building ‘AdvancedWaterEnergyBalance.Rmd’

--- re-building ‘BasicWaterBalance.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 161-164 (BasicWaterBalance.Rmd) 
Error: processing vignette 'BasicWaterBalance.Rmd' failed with diagnostics:
polygon edge not found
--- failed re-building ‘BasicWaterBalance.Rmd’

--- re-building ‘ForestDynamics.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 126-129 (ForestDynamics.Rmd) 
Error: processing vignette 'ForestDynamics.Rmd' failed with diagnostics:
polygon edge not found
--- failed re-building ‘ForestDynamics.Rmd’

--- re-building ‘ForestGrowth.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 130-131 (ForestGrowth.Rmd) 
Error: processing vignette 'ForestGrowth.Rmd' failed with diagnostics:
polygon edge not found
--- failed re-building ‘ForestGrowth.Rmd’

--- re-building ‘PackageOverview.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 ‘PackageOverview.Rmd’

--- re-building ‘PreparingInputs.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 69-70 (PreparingInputs.Rmd) 
Error: processing vignette 'PreparingInputs.Rmd' failed with diagnostics:
polygon edge not found
--- failed re-building ‘PreparingInputs.Rmd’

SUMMARY: processing the following files failed:
  ‘AdvancedWaterEnergyBalance.Rmd’ ‘BasicWaterBalance.Rmd’
  ‘ForestDynamics.Rmd’ ‘ForestGrowth.Rmd’ ‘PreparingInputs.Rmd’

Error: Vignette re-building failed.
Execution halted