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

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

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

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

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

Quitting from summarise_observation_period.Rmd:160-168 [unnamed-chunk-10]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `if (x$plot_header_text_bold) ...`:
! argument is of length zero
---
Backtrace:
    ▆
 1. └─OmopSketch::plotObservationPeriod(...)
 2.   └─visOmopResults::barPlot(...)
 3.     └─visOmopResults:::validateStyle(style = style, obj = "plot", type = type)
 4.       └─visOmopResults:::formatPlotStyle(x = internalStyle, fontsizeRef = fontsizeRef)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'summarise_observation_period.Rmd' failed with diagnostics:
argument is of length zero
--- failed re-building ‘summarise_observation_period.Rmd’

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

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

Quitting from summarise_trend.Rmd:262-277 [unnamed-chunk-15]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `if (x$plot_header_text_bold) ...`:
! argument is of length zero
---
Backtrace:
    ▆
 1. └─OmopSketch::plotTrend(result = result, colour = "sex", facet = "age_group")
 2.   └─visOmopResults::scatterPlot(...)
 3.     └─visOmopResults:::validateStyle(style = style, obj = "plot", type = type)
 4.       └─visOmopResults:::formatPlotStyle(x = internalStyle, fontsizeRef = fontsizeRef)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'summarise_trend.Rmd' failed with diagnostics:
argument is of length zero
--- failed re-building ‘summarise_trend.Rmd’

SUMMARY: processing the following files failed:
  ‘summarise_observation_period.Rmd’ ‘summarise_trend.Rmd’

Error: Vignette re-building failed.
Execution halted