Error(s) in re-building vignettes:
  ...
--- re-building ‘mulea.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/mulea.Rcheck/vign_test/mulea/vignettes/mulea_files/figure-html/lollipop_plot_ora-1.png
576x384 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 20792 bytes
Input file size = 20894 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 17143
  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 = 17143

Output IDAT size = 17143 bytes (3649 bytes decrease)
Output file size = 17221 bytes (3673 bytes = 17.58% decrease)

** Processing: /home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/mulea.Rcheck/vign_test/mulea/vignettes/mulea_files/figure-html/bar_plot_ora-1.png
576x384 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 17844 bytes
Input file size = 17946 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 14901
  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 = 14901

Output IDAT size = 14901 bytes (2943 bytes decrease)
Output file size = 14979 bytes (2967 bytes = 16.53% decrease)

** Processing: /home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/mulea.Rcheck/vign_test/mulea/vignettes/mulea_files/figure-html/network_plot_ora-1.png
576x384 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 45235 bytes
Input file size = 45373 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 35661
  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 = 35661

Output IDAT size = 35661 bytes (9574 bytes decrease)
Output file size = 35739 bytes (9634 bytes = 21.23% decrease)

** Processing: /home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/mulea.Rcheck/vign_test/mulea/vignettes/mulea_files/figure-html/heatmap_ora-1.png
576x384 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 38919 bytes
Input file size = 39045 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 26103
  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 = 26103

Output IDAT size = 26103 bytes (12816 bytes decrease)
Output file size = 26181 bytes (12864 bytes = 32.95% decrease)

** Processing: /home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/mulea.Rcheck/vign_test/mulea/vignettes/mulea_files/figure-html/network_plot_gsea-1.png
576x384 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 38836 bytes
Input file size = 38962 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 30677
  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 = 30677

Output IDAT size = 30677 bytes (8159 bytes decrease)
Output file size = 30755 bytes (8207 bytes = 21.06% decrease)


Quitting from lines 566-568 [DE1] (mulea.Rmd)
Error: processing vignette 'mulea.Rmd' failed with diagnostics:
cannot open the connection
--- failed re-building ‘mulea.Rmd’

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

Error: Vignette re-building failed.
Execution halted