Error(s) in re-building vignettes:
--- re-building ‘benchmarks.Rmd’ using rmarkdown
fatal: not a git repository (or any parent up to mount point /Volumes)
Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).
--- finished re-building ‘benchmarks.Rmd’

--- re-building ‘diseasystore-ecdc-respiratory-viruses.Rmd’ using rmarkdown
--- finished re-building ‘diseasystore-ecdc-respiratory-viruses.Rmd’

--- re-building ‘diseasystore-google-covid-19.Rmd’ using rmarkdown
--- finished re-building ‘diseasystore-google-covid-19.Rmd’

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

--- re-building ‘extending-diseasystore-example.Rmd’ using rmarkdown

Quitting from extending-diseasystore-example.Rmd:536-540 [stratifications_positive_sex_age_plot]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `combine_vars()`:
! Faceting variables must have at least one value.
---
Backtrace:
     ▆
  1. ├─base::withVisible(knit_print(x, ...))
  2. ├─knitr::knit_print(x, ...)
  3. └─knitr:::knit_print.default(x, ...)
  4.   └─knitr::normal_print(x)
  5.     ├─base::print(x)
  6.     └─ggplot2 (local) `print.ggplot2::ggplot`(x)
  7.       ├─ggplot2::ggplot_build(x)
  8.       └─ggplot2 (local) `ggplot_build.ggplot2::ggplot`(x)
  9.         └─layout$setup(data, plot@data, plot@plot_env)
 10.           └─ggplot2 (local) setup(..., self = self)
 11.             └─self$facet$compute_layout(data, self$facet_params)
 12.               └─ggplot2 (local) compute_layout(..., self = self)
 13.                 └─ggplot2::combine_vars(data, params$plot_env, vars, drop = params$drop)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'extending-diseasystore-example.Rmd' failed with diagnostics:
Faceting variables must have at least one value.
--- failed re-building ‘extending-diseasystore-example.Rmd’

Warning: Connection already closed.
--- re-building ‘extending-diseasystore.Rmd’ using rmarkdown
--- finished re-building ‘extending-diseasystore.Rmd’

SUMMARY: processing the following file failed:
  ‘extending-diseasystore-example.Rmd’

Error: Vignette re-building failed.
Execution halted