Error(s) in re-building vignettes:
  ...
--- re-building ‘Explanation.Rmd’ using rmarkdown
pandoc-citeproc: PandocHttpError "http://www.zotero.org/styles/elsevier-with-titles" (HttpExceptionRequest Request {
  host                 = "www.zotero.org"
  port                 = 80
  secure               = False
  requestHeaders       = []
  path                 = "/styles/elsevier-with-titles"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
}
 ResponseTimeout)
Error running filter /usr/bin/pandoc-citeproc:
Filter returned error status 1
Error: processing vignette 'Explanation.Rmd' failed with diagnostics:
pandoc document conversion failed with error 83
--- failed re-building ‘Explanation.Rmd’

--- re-building ‘plotting_chromatograms.Rmd’ using rmarkdown
Loading required package: RNetCDF
Loading required package: ptw
Loading required package: mixOmics
Loading required package: MASS
Loading required package: lattice
Loading required package: ggplot2

Loaded mixOmics 6.10.8
Thank you for using mixOmics!
Tutorials: http://mixomics.org
Bookdown vignette: https://mixomicsteam.github.io/Bookdown
Questions, issues: Follow the prompts at http://mixomics.org/contact-us
Cite us:  citation('mixOmics')


Attaching package: 'RGCxGC'

The following object is masked from 'package:graphics':

    plot

The following object is masked from 'package:base':

    print

Warning in base_GCxGC(Object = Object, mod_time = mod_time, sam_rate = sam_rate,  :
  The last 51 signals will be omitted
Warning in matrix(tic, nrow = len_1d, ncol = len_2d) :
  data length [61051] is not a sub-multiple or multiple of the number of rows [500]
Warning in base_GCxGC(Object = Object, mod_time = mod_time, sam_rate = sam_rate,  :
  The last 60 signals will be omitted
Warning in matrix(tic, nrow = len_1d, ncol = len_2d) :
  data length [51060] is not a sub-multiple or multiple of the number of rows [125]
--- finished re-building ‘plotting_chromatograms.Rmd’

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

Error: Vignette re-building failed.
Execution halted