Error(s) in re-building vignettes:
--- re-building ‘a01_getting-started.Rmd’ using rmarkdown
trying URL 'https://raw.githubusercontent.com/darwin-eu/EunomiaDatasets/main/datasets/GiBleed/GiBleed_5.3.zip'
Content type 'application/zip' length 6848518 bytes (6.5 MB)
==================================================
downloaded 6.5 MB

Quitting from lines 45-48 (a01_getting-started.Rmd) 
Error: processing vignette 'a01_getting-started.Rmd' failed with diagnostics:
error in evaluating the argument 'drv' in selecting a method for function 'dbConnect': there is no package called 'duckdb'
--- failed re-building ‘a01_getting-started.Rmd’

--- re-building ‘a02_Working_with_cohorts.Rmd’ using rmarkdown
trying URL 'https://raw.githubusercontent.com/darwin-eu/EunomiaDatasets/main/datasets/GiBleed/GiBleed_5.3.zip'
Content type 'application/zip' length 6848518 bytes (6.5 MB)
==================================================
downloaded 6.5 MB

Quitting from lines 32-42 (a02_Working_with_cohorts.Rmd) 
Error: processing vignette 'a02_Working_with_cohorts.Rmd' failed with diagnostics:
error in evaluating the argument 'drv' in selecting a method for function 'dbConnect': there is no package called 'duckdb'
--- failed re-building ‘a02_Working_with_cohorts.Rmd’

--- re-building ‘a03_dbplyr.Rmd’ using rmarkdown
trying URL 'https://raw.githubusercontent.com/darwin-eu/EunomiaDatasets/main/datasets/GiBleed/GiBleed_5.3.zip'
Content type 'application/zip' length 6848518 bytes (6.5 MB)
==================================================
downloaded 6.5 MB

Quitting from lines 37-40 (a03_dbplyr.Rmd) 
Error: processing vignette 'a03_dbplyr.Rmd' failed with diagnostics:
error in evaluating the argument 'drv' in selecting a method for function 'dbConnect': there is no package called 'duckdb'
--- failed re-building ‘a03_dbplyr.Rmd’

--- re-building ‘a04_DBI_connection_examples.Rmd’ using rmarkdown
--- finished re-building ‘a04_DBI_connection_examples.Rmd’

--- re-building ‘a05_cdm_reference_backends.Rmd’ using rmarkdown
trying URL 'https://raw.githubusercontent.com/darwin-eu/EunomiaDatasets/main/datasets/GiBleed/GiBleed_5.3.zip'
Content type 'application/zip' length 6848518 bytes (6.5 MB)
==================================================
downloaded 6.5 MB

Quitting from lines 45-64 (a05_cdm_reference_backends.Rmd) 
Error: processing vignette 'a05_cdm_reference_backends.Rmd' failed with diagnostics:
error in evaluating the argument 'drv' in selecting a method for function 'dbConnect': there is no package called 'duckdb'
--- failed re-building ‘a05_cdm_reference_backends.Rmd’

SUMMARY: processing the following files failed:
  ‘a01_getting-started.Rmd’ ‘a02_Working_with_cohorts.Rmd’
  ‘a03_dbplyr.Rmd’ ‘a05_cdm_reference_backends.Rmd’

Error: Vignette re-building failed.
Execution halted