Package suggested but not available for checking: 'coala'
Unknown package 'coala' in Rd xrefs
Error(s) in re-building vignettes:
  ...
--- re-building 'jaatha-evolution.Rmd' using rmarkdown
Quitting from lines 26-33 (jaatha-evolution.Rmd) 
Error: processing vignette 'jaatha-evolution.Rmd' failed with diagnostics:
there is no package called 'coala'
--- failed re-building 'jaatha-evolution.Rmd'

--- re-building 'jaatha-intro.Rmd' using rmarkdown
--- finished re-building 'jaatha-intro.Rmd'

SUMMARY: processing the following file failed:
  'jaatha-evolution.Rmd'

Error: Vignette re-building failed.
Execution halted
Package suggested but not available for checking: ‘coala’
Unknown package ‘coala’ in Rd xrefs
Error(s) in re-building vignettes:
  ...
--- re-building ‘jaatha-evolution.Rmd’ using rmarkdown
Quitting from lines 26-33 (jaatha-evolution.Rmd) 
Error: processing vignette 'jaatha-evolution.Rmd' failed with diagnostics:
there is no package called 'coala'
--- failed re-building ‘jaatha-evolution.Rmd’

--- re-building ‘jaatha-intro.Rmd’ using rmarkdown
--- finished re-building ‘jaatha-intro.Rmd’

SUMMARY: processing the following file failed:
  ‘jaatha-evolution.Rmd’

Error: Vignette re-building failed.
Execution halted
Package suggested but not available for checking: ‘coala’
Unknown package ‘coala’ in Rd xrefs
Error(s) in re-building vignettes:
--- re-building ‘jaatha-evolution.Rmd’ using rmarkdown
Quitting from lines 26-33 (jaatha-evolution.Rmd) 
Error: processing vignette 'jaatha-evolution.Rmd' failed with diagnostics:
there is no package called 'coala'
--- failed re-building ‘jaatha-evolution.Rmd’

--- re-building ‘jaatha-intro.Rmd’ using rmarkdown
--- finished re-building ‘jaatha-intro.Rmd’

SUMMARY: processing the following file failed:
  ‘jaatha-evolution.Rmd’

Error: Vignette re-building failed.
Execution halted
Package suggested but not available for checking: ‘coala’
Unknown package ‘coala’ in Rd xrefs
Error(s) in re-building vignettes:
--- re-building ‘jaatha-evolution.Rmd’ using rmarkdown
Quitting from lines 26-33 (jaatha-evolution.Rmd) 
Error: processing vignette 'jaatha-evolution.Rmd' failed with diagnostics:
there is no package called 'coala'
--- failed re-building ‘jaatha-evolution.Rmd’

--- re-building ‘jaatha-intro.Rmd’ using rmarkdown
--- finished re-building ‘jaatha-intro.Rmd’

SUMMARY: processing the following file failed:
  ‘jaatha-evolution.Rmd’

Error: Vignette re-building failed.
Execution halted
Package suggested but not available for checking: 'coala'
Unknown package 'coala' in Rd xrefs
Error(s) in re-building vignettes:
--- re-building 'jaatha-evolution.Rmd' using rmarkdown
Quitting from lines 26-33 (jaatha-evolution.Rmd) 
Error: processing vignette 'jaatha-evolution.Rmd' failed with diagnostics:
there is no package called 'coala'
--- failed re-building 'jaatha-evolution.Rmd'

--- re-building 'jaatha-intro.Rmd' using rmarkdown
--- finished re-building 'jaatha-intro.Rmd'

SUMMARY: processing the following file failed:
  'jaatha-evolution.Rmd'

Error: Vignette re-building failed.
Execution halted
Package suggested but not available for checking: ‘coala’
Unknown package ‘coala’ in Rd xrefs
Error(s) in re-building vignettes:
  ...
--- re-building ‘jaatha-evolution.Rmd’ using rmarkdown
Quitting from lines 26-33 (jaatha-evolution.Rmd) 
Error: processing vignette 'jaatha-evolution.Rmd' failed with diagnostics:
there is no package called 'coala'
--- failed re-building ‘jaatha-evolution.Rmd’

--- re-building ‘jaatha-intro.Rmd’ using rmarkdown
--- finished re-building ‘jaatha-intro.Rmd’

SUMMARY: processing the following file failed:
  ‘jaatha-evolution.Rmd’

Error: Vignette re-building failed.
Execution halted
Package suggested but not available for checking: ‘coala’
Unknown package ‘coala’ in Rd xrefs
Error(s) in re-building vignettes:
  ...
--- re-building ‘jaatha-evolution.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 26-33 (jaatha-evolution.Rmd) 
Error: processing vignette 'jaatha-evolution.Rmd' failed with diagnostics:
there is no package called 'coala'
--- failed re-building ‘jaatha-evolution.Rmd’

--- re-building ‘jaatha-intro.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 ‘jaatha-intro.Rmd’

SUMMARY: processing the following file failed:
  ‘jaatha-evolution.Rmd’

Error: Vignette re-building failed.
Execution halted
Package suggested but not available for checking: ‘coala’
Unknown package ‘coala’ in Rd xrefs
Error(s) in re-building vignettes:
  ...
--- re-building ‘jaatha-evolution.Rmd’ using rmarkdown
Quitting from lines 26-33 (jaatha-evolution.Rmd) 
Error: processing vignette 'jaatha-evolution.Rmd' failed with diagnostics:
there is no package called 'coala'
--- failed re-building ‘jaatha-evolution.Rmd’

--- re-building ‘jaatha-intro.Rmd’ using rmarkdown
--- finished re-building ‘jaatha-intro.Rmd’

SUMMARY: processing the following file failed:
  ‘jaatha-evolution.Rmd’

Error: Vignette re-building failed.
Execution halted