Error(s) in re-building vignettes:
  ...
--- re-building ‘CCAMLRGIS.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: sp
Quitting from lines 110-129 (CCAMLRGIS.Rmd) 
Error: processing vignette 'CCAMLRGIS.Rmd' failed with diagnostics:
Cannot open data source
--- failed re-building ‘CCAMLRGIS.Rmd’

SUMMARY: processing the following file failed:
  ‘CCAMLRGIS.Rmd’

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘CCAMLRGIS.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: sp
Quitting from lines 110-129 (CCAMLRGIS.Rmd) 
Error: processing vignette 'CCAMLRGIS.Rmd' failed with diagnostics:
Cannot open data source
--- failed re-building ‘CCAMLRGIS.Rmd’

SUMMARY: processing the following file failed:
  ‘CCAMLRGIS.Rmd’

Error: Vignette re-building failed.
Execution halted