Error(s) in re-building vignettes:
  ...
--- re-building ‘CappedMean.Rmd’ using rmarkdown

Quitting from lines 99-149 [capped mean example] (CappedMean.Rmd)
Error: processing vignette 'CappedMean.Rmd' failed with diagnostics:
there is no package called 'crch'
--- failed re-building ‘CappedMean.Rmd’

--- re-building ‘PureIBNR.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/NetSimR.Rcheck/vign_test/NetSimR/vignettes/PureIBNR_files/figure-html/pure IBNR example-1.png
288x288 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 4230 bytes
Input file size = 5088 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 3676
  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 = 3676

Output IDAT size = 3676 bytes (554 bytes decrease)
Output file size = 3754 bytes (1334 bytes = 26.22% decrease)


Quitting from lines 96-205 [pure IBNR example continued] (PureIBNR.Rmd)
Error: processing vignette 'PureIBNR.Rmd' failed with diagnostics:
there is no package called 'crch'
--- failed re-building ‘PureIBNR.Rmd’

--- re-building ‘SlicedDistributions.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/NetSimR.Rcheck/vign_test/NetSimR/vignettes/SlicedDistributions_files/figure-html/sliced distribution simulation-1.png
288x288 pixels, 8 bits/pixel, 255 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 5463 bytes
Input file size = 6318 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 5053
  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 = 5053

Output IDAT size = 5053 bytes (410 bytes decrease)
Output file size = 5131 bytes (1187 bytes = 18.79% decrease)

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

SUMMARY: processing the following files failed:
  ‘CappedMean.Rmd’ ‘PureIBNR.Rmd’

Error: Vignette re-building failed.
Execution halted