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

--- re-building ‘bds_exposure.Rmd’ using rmarkdown

Quitting from lines 397-437 [unnamed-chunk-25] (bds_exposure.Rmd)
Error: processing vignette 'bds_exposure.Rmd' failed with diagnostics:
could not find function "is_named"
--- failed re-building ‘bds_exposure.Rmd’

--- re-building ‘bds_finding.Rmd’ using rmarkdown

Quitting from lines 611-622 [unnamed-chunk-41] (bds_finding.Rmd)
Error: processing vignette 'bds_finding.Rmd' failed with diagnostics:
could not find function "is_named"
--- failed re-building ‘bds_finding.Rmd’

--- re-building ‘bds_tte.Rmd’ using rmarkdown

Quitting from lines 431-502 [unnamed-chunk-22] (bds_tte.Rmd)
Error: processing vignette 'bds_tte.Rmd' failed with diagnostics:
could not find function "is_named"
--- failed re-building ‘bds_tte.Rmd’

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

--- re-building ‘higher_order.Rmd’ using rmarkdown

Quitting from lines 116-126 [unnamed-chunk-6] (higher_order.Rmd)
Error: processing vignette 'higher_order.Rmd' failed with diagnostics:
could not find function "is_named"
--- failed re-building ‘higher_order.Rmd’

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

--- re-building ‘imputation.Rmd’ using rmarkdown

Quitting from lines 480-502 [unnamed-chunk-22] (imputation.Rmd)
Error: processing vignette 'imputation.Rmd' failed with diagnostics:
could not find function "is_named"
--- failed re-building ‘imputation.Rmd’

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

--- re-building ‘occds.Rmd’ using rmarkdown

Quitting from lines 386-403 [unnamed-chunk-18] (occds.Rmd)
Error: processing vignette 'occds.Rmd' failed with diagnostics:
could not find function "is_named"
--- failed re-building ‘occds.Rmd’

--- re-building ‘pk_adnca.Rmd’ using rmarkdown

Quitting from lines 1221-1245 [unnamed-chunk-40] (pk_adnca.Rmd)
Error: processing vignette 'pk_adnca.Rmd' failed with diagnostics:
Dataset contains duplicate records with respect to `STUDYID`, `USUBJID`, `AFRLT` and `EVID`
Run `get_duplicates_dataset()` to access the duplicate records
--- failed re-building ‘pk_adnca.Rmd’

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

--- re-building ‘questionnaires.Rmd’ using rmarkdown

Quitting from lines 203-229 [unnamed-chunk-12] (questionnaires.Rmd)
Error: processing vignette 'questionnaires.Rmd' failed with diagnostics:
could not find function "is_named"
--- failed re-building ‘questionnaires.Rmd’

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

SUMMARY: processing the following files failed:
  ‘bds_exposure.Rmd’ ‘bds_finding.Rmd’ ‘bds_tte.Rmd’ ‘higher_order.Rmd’
  ‘imputation.Rmd’ ‘occds.Rmd’ ‘pk_adnca.Rmd’ ‘questionnaires.Rmd’

Error: Vignette re-building failed.
Execution halted