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

#############################################
The cache will be in a temporary location and be deleted when you quit R.
It is located at
   /tmp/RtmpRYaqnQ/dmdScheme_546a311543ad
To make it permanent, call
   cache(createPermanent = TRUE)
and restart R
and a permanent cache will be created which will survive restarts.
#############################################


trying URL 'https://github.com/Exp-Micro-Ecol-Hub/dmdSchemeRepository/raw/master/schemes/dmdScheme_0.9.5.tar.gz'
Content type 'application/octet-stream' length 27511 bytes (26 KB)
==================================================
downloaded 26 KB

Scheme definition `/tmp/RtmpRYaqnQ/file546a377630a7/dmdScheme_0.9.5.tar.gz, installed with
name:    dmdScheme
version: 0.9.5
Theme switched to dmdScheme_0.9.5
trying URL 'https://github.com/Exp-Micro-Ecol-Hub/dmdSchemeRepository/raw/master/schemes/emeScheme_0.9.5.tar.gz'
Content type 'application/octet-stream' length 129097 bytes (126 KB)
==================================================
downloaded 126 KB

--- finished re-building ‘Howto_create_new_scheme.Rmd’

--- re-building ‘minimum_requirements_dmdscheme.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.

#############################################
The cache will be in a temporary location and be deleted when you quit R.
It is located at
   /tmp/RtmpG5aisW/dmdScheme_60913d34f48
To make it permanent, call
   cache(createPermanent = TRUE)
and restart R
and a permanent cache will be created which will survive restarts.
#############################################


trying URL 'https://github.com/Exp-Micro-Ecol-Hub/dmdSchemeRepository/raw/master/schemes/dmdScheme_0.9.5.tar.gz'
Content type 'application/octet-stream' length 27511 bytes (26 KB)
==================================================
downloaded 26 KB

Scheme definition `/tmp/RtmpG5aisW/file609143966dce/dmdScheme_0.9.5.tar.gz, installed with
name:    dmdScheme
version: 0.9.5
Theme switched to dmdScheme_0.9.5
--- finished re-building ‘minimum_requirements_dmdscheme.Rmd’

--- re-building ‘r_package_introduction.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.

#############################################
The cache will be in a temporary location and be deleted when you quit R.
It is located at
   /tmp/Rtmp.ra4f1/dmdScheme_6a2f7d482d8c
To make it permanent, call
   cache(createPermanent = TRUE)
and restart R
and a permanent cache will be created which will survive restarts.
#############################################


trying URL 'https://github.com/Exp-Micro-Ecol-Hub/dmdSchemeRepository/raw/master/schemes/dmdScheme_0.9.5.tar.gz'
Content type 'application/octet-stream' length 27511 bytes (26 KB)
==================================================
downloaded 26 KB

Scheme definition `/tmp/Rtmp.ra4f1/file6a2f6da4309e/dmdScheme_0.9.5.tar.gz, installed with
name:    dmdScheme
version: 0.9.5
Theme switched to dmdScheme_0.9.5
Quitting from lines 14-29 (r_package_introduction.Rmd) 
Error: processing vignette 'r_package_introduction.Rmd' failed with diagnostics:
there is no package called 'kableExtra'
--- failed re-building ‘r_package_introduction.Rmd’

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

Error: Vignette re-building failed.
Execution halted