Error(s) in re-building vignettes:
  ...
--- re-building ‘debkeepr.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/debkeepr.Rcheck/vign_test/debkeepr/vignettes/debkeepr_files/figure-html/ex-plot-1.png
768x384 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 10770 bytes
Input file size = 11640 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 9595
  zc = 9  zm = 8  zs = 1  f = 0		IDAT size = 9562
  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 = 1  f = 0		IDAT size = 9562

Output IDAT size = 9562 bytes (1208 bytes decrease)
Output file size = 9640 bytes (2000 bytes = 17.18% decrease)

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

--- re-building ‘ledger.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/debkeepr.Rcheck/vign_test/debkeepr/vignettes/ledger_files/figure-html/credit-transactions-1.png
672x384 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 14916 bytes
Input file size = 15786 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 13295
  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 = 13295

Output IDAT size = 13295 bytes (1621 bytes decrease)
Output file size = 13373 bytes (2413 bytes = 15.29% decrease)

** Processing: /home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/debkeepr.Rcheck/vign_test/debkeepr/vignettes/ledger_files/figure-html/transactions-1.png
768x384 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 49240 bytes
Input file size = 49390 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 41956
  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 = 41956

Output IDAT size = 41956 bytes (7284 bytes decrease)
Output file size = 42034 bytes (7356 bytes = 14.89% decrease)

** Processing: /home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/debkeepr.Rcheck/vign_test/debkeepr/vignettes/ledger_files/figure-html/account-summary-1.png
768x384 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 23307 bytes
Input file size = 23409 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 20122
  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 = 20122

Output IDAT size = 20122 bytes (3185 bytes decrease)
Output file size = 20200 bytes (3209 bytes = 13.71% decrease)


Quitting from lines 123-142 [network-analysis] (ledger.Rmd)
Error: processing vignette 'ledger.Rmd' failed with diagnostics:
there is no package called 'ggraph'
--- failed re-building ‘ledger.Rmd’

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

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

Error: Vignette re-building failed.
Execution halted