Error(s) in re-building vignettes:
--- re-building ‘jsmediation.Rmd’ using rmarkdown
** Processing: /data/gannet/ripley/R/packages/tests-clang/JSmediation.Rcheck/vign_test/JSmediation/vignettes/jsmediation_files/figure-html/unnamed-chunk-5-1.png
672x768 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 95729 bytes
Input file size = 95939 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 77029
  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 = 77029

Output IDAT size = 77029 bytes (18700 bytes decrease)
Output file size = 77107 bytes (18832 bytes = 19.63% decrease)

** Processing: /data/gannet/ripley/R/packages/tests-clang/JSmediation.Rcheck/vign_test/JSmediation/vignettes/jsmediation_files/figure-html/unnamed-chunk-6-1.png
672x768 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 95415 bytes
Input file size = 95625 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 76769
  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 = 76769

Output IDAT size = 76769 bytes (18646 bytes decrease)
Output file size = 76847 bytes (18778 bytes = 19.64% decrease)


Quitting from lines 178-180 [unnamed-chunk-7] (jsmediation.Rmd)
Error: processing vignette 'jsmediation.Rmd' failed with diagnostics:
`check_model()` returned following error: Following variable(s) were not
  found: Component Possibly misspelled?
  
If the error message does not help identifying your problem, another
  reason why `check_model()` failed might be that models of class `lm` are
  not yet supported.
--- failed re-building ‘jsmediation.Rmd’

--- re-building ‘moderated-mediation.Rmd’ using rmarkdown
--- finished re-building ‘moderated-mediation.Rmd’

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

Error: Vignette re-building failed.
Execution halted