Error(s) in re-building vignettes:
--- re-building ‘CRS_projections_transformations.Rmd’ using knitr
Quitting from lines 36-39 (CRS_projections_transformations.Rmd) 
Error: processing vignette 'CRS_projections_transformations.Rmd' failed with diagnostics:
cannot open the connection
--- failed re-building ‘CRS_projections_transformations.Rmd’

--- re-building ‘PROJ6_GDAL3.Rmd’ using knitr
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(uprojargs, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded ellps WGS 84 in CRS definition: +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum WGS_1984 in CRS definition
Warning in showSRID(SRS_string, format = "PROJ", multiline = "NO") :
  Discarded datum European_Terrestrial_Reference_System_1989 in CRS definition
--- finished re-building ‘PROJ6_GDAL3.Rmd’

--- re-building ‘OGR_shape_encoding.Rnw’ using Sweave
Loading required package: sp
rgdal: version: 1.5-10, (SVN revision 1006)
Geospatial Data Abstraction Library extensions to R successfully loaded
Loaded GDAL runtime: GDAL 3.0.4, released 2020/01/28
Path to GDAL shared files: /usr/share/gdal
GDAL binary built with GEOS: TRUE 
Loaded PROJ runtime: Rel. 6.3.2, May 1st, 2020, [PJ_VERSION: 632]
Path to PROJ shared files: /usr/share/proj
Linking to sp version:1.4-2
To mute warnings of possible GDAL/OSR exportToProj4() degradation,
use options("rgdal_show_exportToProj4_warnings"="none") before loading rgdal.
Read 1 item
--- finished re-building ‘OGR_shape_encoding.Rnw’

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

Error: Vignette re-building failed.
Execution halted