Error(s) in re-building vignettes:
--- re-building 'colorSpec-guide.Rmd' using rmarkdown
Error: processing vignette 'colorSpec-guide.Rmd' failed with diagnostics:
DLL 'rlang' not found: maybe not installed for this architecture?
--- failed re-building 'colorSpec-guide.Rmd'

--- re-building 'phenolred.Rmd' using rmarkdown
Error: processing vignette 'phenolred.Rmd' failed with diagnostics:
DLL 'rlang' not found: maybe not installed for this architecture?
--- failed re-building 'phenolred.Rmd'

--- re-building 'photoncounting.Rmd' using rmarkdown
Error: processing vignette 'photoncounting.Rmd' failed with diagnostics:
DLL 'rlang' not found: maybe not installed for this architecture?
--- failed re-building 'photoncounting.Rmd'

--- re-building 'blueflame.rnw' using knitr
Error: processing vignette 'blueflame.rnw' failed with diagnostics:
DLL 'magrittr' not found: maybe not installed for this architecture?
--- failed re-building 'blueflame.rnw'

--- re-building 'convexity.rnw' using knitr
Error: processing vignette 'convexity.rnw' failed with diagnostics:
DLL 'magrittr' not found: maybe not installed for this architecture?
--- failed re-building 'convexity.rnw'

--- re-building 'emulation.rnw' using knitr
Error: processing vignette 'emulation.rnw' failed with diagnostics:
DLL 'magrittr' not found: maybe not installed for this architecture?
--- failed re-building 'emulation.rnw'

--- re-building 'gallery.rnw' using knitr
Error: processing vignette 'gallery.rnw' failed with diagnostics:
DLL 'magrittr' not found: maybe not installed for this architecture?
--- failed re-building 'gallery.rnw'

--- re-building 'inversion.rnw' using knitr
Error: processing vignette 'inversion.rnw' failed with diagnostics:
DLL 'magrittr' not found: maybe not installed for this architecture?
--- failed re-building 'inversion.rnw'

--- re-building 'lens-aging.rnw' using knitr
Error: processing vignette 'lens-aging.rnw' failed with diagnostics:
DLL 'magrittr' not found: maybe not installed for this architecture?
--- failed re-building 'lens-aging.rnw'

--- re-building 'optimals.rnw' using knitr
Error: processing vignette 'optimals.rnw' failed with diagnostics:
DLL 'magrittr' not found: maybe not installed for this architecture?
--- failed re-building 'optimals.rnw'

SUMMARY: processing the following files failed:
  'colorSpec-guide.Rmd' 'phenolred.Rmd' 'photoncounting.Rmd'
  'blueflame.rnw' 'convexity.rnw' 'emulation.rnw' 'gallery.rnw'
  'inversion.rnw' 'lens-aging.rnw' 'optimals.rnw'

Error: Vignette re-building failed.
Execution halted