Error(s) in re-building vignettes:
--- re-building ‘advanced-configuration.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.

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Quitting from lines 106-107 (advanced-configuration.Rmd) 
Error: processing vignette 'advanced-configuration.Rmd' failed with diagnostics:
cannot open the connection
--- failed re-building ‘advanced-configuration.Rmd’

--- re-building ‘labs.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.

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Quitting from lines 32-34 (labs.Rmd) 
Error: processing vignette 'labs.Rmd' failed with diagnostics:
cannot open the connection
--- failed re-building ‘labs.Rmd’

--- re-building ‘lines.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.

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Quitting from lines 39-40 (lines.Rmd) 
Error: processing vignette 'lines.Rmd' failed with diagnostics:
cannot open the connection
--- failed re-building ‘lines.Rmd’

--- re-building ‘starting-with-apexcharts.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.

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Quitting from lines 37-41 (starting-with-apexcharts.Rmd) 
Error: processing vignette 'starting-with-apexcharts.Rmd' failed with diagnostics:
cannot open the connection
--- failed re-building ‘starting-with-apexcharts.Rmd’

SUMMARY: processing the following files failed:
  ‘advanced-configuration.Rmd’ ‘labs.Rmd’ ‘lines.Rmd’
  ‘starting-with-apexcharts.Rmd’

Error: Vignette re-building failed.
Execution halted