Error(s) in re-building vignettes:
  ...
--- re-building ‘debiasing-vignette.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/mlr3fairness.Rcheck/vign_test/mlr3fairness/vignettes/debiasing-vignette_files/figure-html/unnamed-chunk-7-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 13804 bytes
Input file size = 13894 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 10650
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 10650

Output IDAT size = 10650 bytes (3154 bytes decrease)
Output file size = 10728 bytes (3166 bytes = 22.79% decrease)

--- finished re-building ‘debiasing-vignette.Rmd’

--- re-building ‘measures-vignette.Rmd’ using rmarkdown
--- finished re-building ‘measures-vignette.Rmd’

--- re-building ‘reports-vignette.Rmd’ using rmarkdown

Quitting from reports-vignette.Rmd:51-54 [build_modelcard_example_for_vignette]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `loadNamespace()`:
! there is no package called 'posterdown'
---
Backtrace:
    ▆
 1. ├─rmarkdown::render(rmdfile)
 2. │ └─rmarkdown:::create_output_format(output_format$name, output_format$options)
 3. │   └─rmarkdown:::create_output_format_function(name)
 4. │     └─base::eval(xfun::parse_only(name))
 5. │       └─base::eval(xfun::parse_only(name))
 6. └─base::loadNamespace(x)
 7.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
 8.     └─base (local) withOneRestart(expr, restarts[[1L]])
 9.       └─base (local) doWithOneRestart(return(expr), restart)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'reports-vignette.Rmd' failed with diagnostics:
there is no package called 'posterdown'
--- failed re-building ‘reports-vignette.Rmd’

--- re-building ‘visualization-vignette.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/mlr3fairness.Rcheck/vign_test/mlr3fairness/vignettes/visualization-vignette_files/figure-html/unnamed-chunk-6-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 15415 bytes
Input file size = 15505 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 12308
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 12308

Output IDAT size = 12308 bytes (3107 bytes decrease)
Output file size = 12386 bytes (3119 bytes = 20.12% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/mlr3fairness.Rcheck/vign_test/mlr3fairness/vignettes/visualization-vignette_files/figure-html/unnamed-chunk-7-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 17195 bytes
Input file size = 17297 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 13104
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 13104

Output IDAT size = 13104 bytes (4091 bytes decrease)
Output file size = 13182 bytes (4115 bytes = 23.79% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/mlr3fairness.Rcheck/vign_test/mlr3fairness/vignettes/visualization-vignette_files/figure-html/unnamed-chunk-8-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 16395 bytes
Input file size = 16497 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 12383
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 12383

Output IDAT size = 12383 bytes (4012 bytes decrease)
Output file size = 12461 bytes (4036 bytes = 24.47% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/mlr3fairness.Rcheck/vign_test/mlr3fairness/vignettes/visualization-vignette_files/figure-html/unnamed-chunk-9-1.png
288x288 pixels, 8 bits/pixel, 235 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 3077 bytes
Input file size = 3872 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 2890
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 2890

Output IDAT size = 2890 bytes (187 bytes decrease)
Output file size = 2968 bytes (904 bytes = 23.35% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/mlr3fairness.Rcheck/vign_test/mlr3fairness/vignettes/visualization-vignette_files/figure-html/unnamed-chunk-10-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 10299 bytes
Input file size = 10389 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 8041
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 8041

Output IDAT size = 8041 bytes (2258 bytes decrease)
Output file size = 8119 bytes (2270 bytes = 21.85% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/mlr3fairness.Rcheck/vign_test/mlr3fairness/vignettes/visualization-vignette_files/figure-html/unnamed-chunk-12-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 12711 bytes
Input file size = 12801 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 9267
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 9267

Output IDAT size = 9267 bytes (3444 bytes decrease)
Output file size = 9345 bytes (3456 bytes = 27.00% decrease)

--- finished re-building ‘visualization-vignette.Rmd’

SUMMARY: processing the following file failed:
  ‘reports-vignette.Rmd’

Error: Vignette re-building failed.
Execution halted