Error(s) in re-building vignettes:
  ...
--- re-building ‘helsinki_tutorial.Rmd’ using rmarkdown

helsinki R package: tools for open data from Helsinki, Finland capital region.
This R package is part of rOpenGov <ropengov.org>.
Copyright (C) 2010-2021 Juuso Parkkinen, Joona Lehtomaki, Pyry Kantanen, Leo Lahti.
This is free software. You are free to use, modify and redistribute it under the FreeBSD license.
Requesting response from: https://kartta.hsy.fi/geoserver/wfs?request=GetCapabilities
Requesting response from: https://kartta.hsy.fi/geoserver/wfs?service=WFS&version=1.1.0&request=getFeature&typeName=vesihuolto%3AVH_Vesipostit_HSY
Requesting response from: https://kartta.hsy.fi/geoserver/wfs?service=WFS&version=1.1.0&request=getFeature&typeName=asuminen_ja_maankaytto%3AVaestotietoruudukko_2018
Requesting response from: https://kartta.hsy.fi/geoserver/wfs?service=WFS&version=1.1.0&request=getFeature&typeName=asuminen_ja_maankaytto%3ARakennustietoruudukko_2020
All content is available under CC BY 4.0, except where otherwise stated. 
The City of Helsinki logo is a registered trademark. The Helsinki Grotesk 
Typeface is a proprietary typeface licensed by Camelot Typefaces. 
CC BY 4.0: <https://creativecommons.org/licenses/by/4.0/>
All content is available under CC BY 4.0, except where otherwise stated. 
The City of Helsinki logo is a registered trademark. The Helsinki Grotesk 
Typeface is a proprietary typeface licensed by Camelot Typefaces. 
CC BY 4.0: <https://creativecommons.org/licenses/by/4.0/>
All content is available under CC BY 4.0, except where otherwise stated. 
The City of Helsinki logo is a registered trademark. The Helsinki Grotesk 
Typeface is a proprietary typeface licensed by Camelot Typefaces. 
CC BY 4.0: <https://creativecommons.org/licenses/by/4.0/>
Source: Helsinki Linked Events API v1. Developed by the City of Helsinki 
  Open Software Development team. Event data from Helsinki Marketing,
  Helsinki Cultural Centres, Helmet metropolitan area public libraries and
  City of Helsinki registry of service unit. 
  CC BY 4.0: <https://creativecommons.org/licenses/by/4.0/>
Warning in CPL_read_ogr(dsn, layer, query, as.character(options), quiet,  :
  GDAL Error 1: Driver COUCHDB is considered for removal in GDAL 3.5. You are invited to convert any dataset in that format to another more common one .If you need this driver in future GDAL versions, create a ticket at https://github.com/OSGeo/gdal (look first for an existing one first) to explain how critical it is for you (but the GDAL project may still remove it), and to enable it now, set the GDAL_ENABLE_DEPRECATED_DRIVER_COUCHDB configuration option / environment variable to YES
Quitting from lines 176-189 (helsinki_tutorial.Rmd) 
Error: processing vignette 'helsinki_tutorial.Rmd' failed with diagnostics:
Cannot open "https://kartta.hel.fi/ws/geoserver/avoindata/wfs?service=wfs&version=1.1.0&request=GetFeature&typeName=avoindata%3ASeutukartta_aluejako_suuralue&srsName=EPSG%3A3879&outputFormat=GML2"; The file doesn't seem to exist.
--- failed re-building ‘helsinki_tutorial.Rmd’

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

Error: Vignette re-building failed.
Execution halted