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

--- re-building 'bds_exposure.Rmd' using rmarkdown
--- finished re-building 'bds_exposure.Rmd'

--- re-building 'bds_finding.Rmd' using rmarkdown
--- finished re-building 'bds_finding.Rmd'

--- re-building 'bds_tte.Rmd' using rmarkdown
--- finished re-building 'bds_tte.Rmd'

--- re-building 'concepts_conventions.Rmd' using rmarkdown
--- finished re-building 'concepts_conventions.Rmd'

--- re-building 'generic.Rmd' using rmarkdown

Quitting from generic.Rmd:203-227 [unnamed-chunk-3]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `left_join()`:
! could not find function "left_join"
---
Backtrace:
    ▆
 1. └─admiral::derive_vars_merged(...)
 2.   └─base::tryCatch(...)
 3.     └─base (local) tryCatchList(expr, classes, parentenv, handlers)
 4.       └─base (local) tryCatchOne(expr, names, parentenv, handlers[[1L]])
 5.         └─base (local) doTryCatch(return(expr), name, parentenv, handler)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'generic.Rmd' failed with diagnostics:
could not find function "left_join"
--- failed re-building 'generic.Rmd'

--- re-building 'higher_order.Rmd' using rmarkdown
--- finished re-building 'higher_order.Rmd'

--- re-building 'hys_law.Rmd' using rmarkdown
--- finished re-building 'hys_law.Rmd'

--- re-building 'imputation.Rmd' using rmarkdown
--- finished re-building 'imputation.Rmd'

--- re-building 'lab_grading.Rmd' using rmarkdown
--- finished re-building 'lab_grading.Rmd'

--- re-building 'occds.Rmd' using rmarkdown
--- finished re-building 'occds.Rmd'

--- re-building 'pk_adnca.Rmd' using rmarkdown
--- finished re-building 'pk_adnca.Rmd'

--- re-building 'queries_dataset.Rmd' using rmarkdown
--- finished re-building 'queries_dataset.Rmd'

--- re-building 'questionnaires.Rmd' using rmarkdown
--- finished re-building 'questionnaires.Rmd'

--- re-building 'visits_periods.Rmd' using rmarkdown
--- finished re-building 'visits_periods.Rmd'

SUMMARY: processing the following file failed:
  'generic.Rmd'

Error: Vignette re-building failed.
Execution halted