Error(s) in re-building vignettes:
--- re-building 'introduction.Rmd' using rmarkdown
-- Attaching packages --------------------------------------- tidyverse 1.3.1 --
v ggplot2 3.3.5     v purrr   0.3.4
v tibble  3.1.6     v dplyr   1.0.8
v tidyr   1.2.0     v stringr 1.4.0
v readr   2.1.2     v forcats 0.5.1
-- Conflicts ------------------------------------------ tidyverse_conflicts() --
x dplyr::filter() masks stats::filter()
x dplyr::lag()    masks stats::lag()

Attaching package: 'rstatix'

The following object is masked from 'package:stats':

    filter

Loading required package: emmeans
Loading required package: ggformula
Loading required package: ggstance

Attaching package: 'ggstance'

The following objects are masked from 'package:ggplot2':

    GeomErrorbarh, geom_errorbarh

Loading required package: scales

Attaching package: 'scales'

The following object is masked from 'package:purrr':

    discard

The following object is masked from 'package:readr':

    col_factor

Loading required package: ggridges

New to ggformula?  Try the tutorials: 
	learnr::run_tutorial("introduction", package = "ggformula")
	learnr::run_tutorial("refining", package = "ggformula")
Loading required package: gtsummary
Loading required package: huxtable

Attaching package: 'huxtable'

The following object is masked from 'package:gtsummary':

    as_flextable

The following object is masked from 'package:scales':

    number_format

The following object is masked from 'package:dplyr':

    add_rownames

The following object is masked from 'package:ggplot2':

    theme_grey

Loading required package: magrittr

Attaching package: 'magrittr'

The following object is masked from 'package:purrr':

    set_names

The following object is masked from 'package:tidyr':

    extract


Attaching package: 'sjlabelled'

The following object is masked from 'package:huxtable':

    set_label

The following object is masked from 'package:forcats':

    as_factor

The following object is masked from 'package:dplyr':

    as_label

The following object is masked from 'package:ggplot2':

    as_label

Learn more about sjPlot with 'browseVignettes("sjPlot")'.

Attaching package: 'sjPlot'

The following object is masked from 'package:huxtable':

    font_size

--- finished re-building 'introduction.Rmd'

--- re-building 'regression.Rmd' using rmarkdown
-- Attaching packages --------------------------------------- tidyverse 1.3.1 --
v ggplot2 3.3.5     v purrr   0.3.4
v tibble  3.1.6     v dplyr   1.0.8
v tidyr   1.2.0     v stringr 1.4.0
v readr   2.1.2     v forcats 0.5.1
-- Conflicts ------------------------------------------ tidyverse_conflicts() --
x dplyr::filter() masks stats::filter()
x dplyr::lag()    masks stats::lag()

Attaching package: 'rstatix'

The following object is masked from 'package:stats':

    filter


Attaching package: 'jtools'

The following object is masked from 'package:parameters':

    center

Loading required package: emmeans
Loading required package: ggformula
Loading required package: ggstance

Attaching package: 'ggstance'

The following objects are masked from 'package:ggplot2':

    GeomErrorbarh, geom_errorbarh

Loading required package: scales

Attaching package: 'scales'

The following object is masked from 'package:purrr':

    discard

The following object is masked from 'package:readr':

    col_factor

Loading required package: ggridges

New to ggformula?  Try the tutorials: 
	learnr::run_tutorial("introduction", package = "ggformula")
	learnr::run_tutorial("refining", package = "ggformula")
Loading required package: gtsummary
Loading required package: huxtable

Attaching package: 'huxtable'

The following object is masked from 'package:gtsummary':

    as_flextable

The following object is masked from 'package:scales':

    number_format

The following objects are masked from 'package:performance':

    print_html, print_md

The following objects are masked from 'package:parameters':

    print_html, print_md

The following object is masked from 'package:dplyr':

    add_rownames

The following object is masked from 'package:ggplot2':

    theme_grey

Loading required package: magrittr

Attaching package: 'magrittr'

The following object is masked from 'package:purrr':

    set_names

The following object is masked from 'package:tidyr':

    extract


Attaching package: 'sjlabelled'

The following object is masked from 'package:huxtable':

    set_label

The following object is masked from 'package:forcats':

    as_factor

The following object is masked from 'package:dplyr':

    as_label

The following object is masked from 'package:ggplot2':

    as_label


Attaching package: 'sjPlot'

The following object is masked from 'package:huxtable':

    font_size

Quitting from lines 297-300 (regression.Rmd) 
Error: processing vignette 'regression.Rmd' failed with diagnostics:
At least one layer must contain all faceting variables: `group`.
* Plot is missing `group`
* Layer 1 is missing `group`
--- failed re-building 'regression.Rmd'

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

Error: Vignette re-building failed.
Execution halted