Error(s) in re-building vignettes:
  ...
--- re-building ‘Intro_to_warbleR.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Loading required package: maps
Loading required package: tuneR
Loading required package: seewave
Loading required package: NatureSounds

NOTE: functions are being renamed (run 'print(new_function_names)' to see new names). Both old and new names are available in this version 
 Please see citation('warbleR') for use in publication
--- finished re-building ‘Intro_to_warbleR.Rmd’

--- re-building ‘warbleR_workflow_01.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Loading required package: maps
Loading required package: tuneR
Loading required package: seewave
Loading required package: NatureSounds

NOTE: functions are being renamed (run 'print(new_function_names)' to see new names). Both old and new names are available in this version 
 Please see citation('warbleR') for use in publication
Quitting from lines 247-250 (warbleR_workflow_01.Rmd) 
Error: processing vignette 'warbleR_workflow_01.Rmd' failed with diagnostics:
numbers of columns of arguments do not match
--- failed re-building ‘warbleR_workflow_01.Rmd’

--- re-building ‘warbleR_workflow_02.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Loading required package: maps
Loading required package: tuneR
Loading required package: seewave
Loading required package: NatureSounds

NOTE: functions are being renamed (run 'print(new_function_names)' to see new names). Both old and new names are available in this version 
 Please see citation('warbleR') for use in publication
--- finished re-building ‘warbleR_workflow_02.Rmd’

--- re-building ‘warbleR_workflow_03.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Loading required package: maps
Loading required package: tuneR
Loading required package: seewave
Loading required package: NatureSounds

NOTE: functions are being renamed (run 'print(new_function_names)' to see new names). Both old and new names are available in this version 
 Please see citation('warbleR') for use in publication
--- finished re-building ‘warbleR_workflow_03.Rmd’

SUMMARY: processing the following file failed:
  ‘warbleR_workflow_01.Rmd’

Error: Vignette re-building failed.
Execution halted