Error(s) in re-building vignettes:
--- re-building ‘a-journey-into-mapping.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Package 'mapping' version 1.2
Type 'citation("mapping")' for citing this R package in publications.
trying URL 'https://raw.githubusercontent.com/dataallaround/geospatial/master/EU/nuts/GeoJSON/eu_2021_nuts0_20m.geojson'
Content type 'text/plain; charset=utf-8' length 135449 bytes (132 KB)
==================================================
downloaded 132 KB

Warning in CPL_crs_from_input(x) :
  GDAL Message 1: +init=epsg:XXXX syntax is deprecated. It might return a CRS with a non-EPSG compliant axis order.
Linking to GEOS 3.8.1, GDAL 3.2.1, PROJ 7.2.1
trying URL 'https://raw.githubusercontent.com/dataallaround/geospatial/master/IT/GeoJSON/it_2018_provincia.geojson'
Content type 'text/plain; charset=utf-8' length 3541074 bytes (3.4 MB)
==================================================
downloaded 3.4 MB

trying URL 'https://raw.githubusercontent.com/dataallaround/geospatial/master/EU/nuts/GeoJSON/eu_2021_nuts1_20m.geojson'
Content type 'text/plain; charset=utf-8' length 224638 bytes (219 KB)
==================================================
downloaded 219 KB

trying URL 'https://raw.githubusercontent.com/dataallaround/geospatial/master/US/GeoJSON/us_2018_state_20m.geojson'
Content type 'text/plain; charset=utf-8' length 330996 bytes (323 KB)
==================================================
downloaded 323 KB

Warning: Values have found that are less than the lowest break
Warning: Values have found that are higher than the highest break
Warning in st_centroid.sf(data[hw, ]) :
  st_centroid assumes attributes are constant over geometries of x
Warning in st_centroid.sfc(st_geometry(x), of_largest_polygon = of_largest_polygon) :
  st_centroid does not give correct centroids for longitude/latitude data
although coordinates are longitude/latitude, st_intersects assumes that they are planar
Warning in st_centroid.sf(data[data[alhw, ], ]) :
  st_centroid assumes attributes are constant over geometries of x
Warning in st_centroid.sfc(st_geometry(x), of_largest_polygon = of_largest_polygon) :
  st_centroid does not give correct centroids for longitude/latitude data
Warning: Values have found that are less than the lowest break
Warning: Values have found that are higher than the highest break
PhantomJS not found. You can install it with webshot::install_phantomjs(). If it is installed, please make sure the phantomjs executable can be found via the PATH variable.
PhantomJS not found. You can install it with webshot::install_phantomjs(). If it is installed, please make sure the phantomjs executable can be found via the PATH variable.
Quitting from lines 296-300 (a-journey-into-mapping.Rmd) 
Error: processing vignette 'a-journey-into-mapping.Rmd' failed with diagnostics:
invalid 'path' argument
--- failed re-building ‘a-journey-into-mapping.Rmd’

SUMMARY: processing the following file failed:
  ‘a-journey-into-mapping.Rmd’

Error: Vignette re-building failed.
Execution halted