Error(s) in re-building vignettes:
  ...
--- re-building ‘Example_1_iris.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/innsight.Rcheck/vign_test/innsight/vignettes/Example_1_iris_files/figure-html/unnamed-chunk-12-1.png
864x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 40387 bytes
Input file size = 40513 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 33588
  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 = 33588

Output IDAT size = 33588 bytes (6799 bytes decrease)
Output file size = 33666 bytes (6847 bytes = 16.90% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/innsight.Rcheck/vign_test/innsight/vignettes/Example_1_iris_files/figure-html/unnamed-chunk-15-1.png
864x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 23668 bytes
Input file size = 23770 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 22524
  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		IDAT size = 21392
  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 = 5		IDAT size = 21392

Output IDAT size = 21392 bytes (2276 bytes decrease)
Output file size = 21470 bytes (2300 bytes = 9.68% decrease)

--- finished re-building ‘Example_1_iris.Rmd’

--- re-building ‘Example_2_penguin.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/innsight.Rcheck/vign_test/innsight/vignettes/Example_2_penguin_files/figure-html/unnamed-chunk-3-1.png
600x400 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 108124 bytes
Input file size = 108358 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 89817
  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 = 89817

Output IDAT size = 89817 bytes (18307 bytes decrease)
Output file size = 89895 bytes (18463 bytes = 17.04% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/innsight.Rcheck/vign_test/innsight/vignettes/Example_2_penguin_files/figure-html/unnamed-chunk-11-1.png
400x150 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 11985 bytes
Input file size = 12075 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 8800
  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 = 8800

Output IDAT size = 8800 bytes (3185 bytes decrease)
Output file size = 8878 bytes (3197 bytes = 26.48% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/innsight.Rcheck/vign_test/innsight/vignettes/Example_2_penguin_files/figure-html/unnamed-chunk-11-2.png
400x150 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 9514 bytes
Input file size = 9604 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 7288
  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 = 7288

Output IDAT size = 7288 bytes (2226 bytes decrease)
Output file size = 7366 bytes (2238 bytes = 23.30% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/innsight.Rcheck/vign_test/innsight/vignettes/Example_2_penguin_files/figure-html/unnamed-chunk-13-1.png
400x150 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 14093 bytes
Input file size = 14183 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 10490
  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 = 10490

Output IDAT size = 10490 bytes (3603 bytes decrease)
Output file size = 10568 bytes (3615 bytes = 25.49% decrease)

--- finished re-building ‘Example_2_penguin.Rmd’

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

Quitting from detailed_overview.Rmd:1066-1072 [unnamed-chunk-32]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! object 'keras_model_concat' not found
---
Backtrace:
    ▆
 1. └─innsight::convert(keras_model_concat, save_model_as_list = TRUE)
 2.   └─Converter$new(model, ...)
 3.     └─innsight (local) initialize(...)
 4.       └─base::inherits(model, "nn")
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'detailed_overview.Rmd' failed with diagnostics:
object 'keras_model_concat' not found
--- failed re-building ‘detailed_overview.Rmd’

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

SUMMARY: processing the following file failed:
  ‘detailed_overview.Rmd’

Error: Vignette re-building failed.
Execution halted