Error(s) in re-building vignettes:
--- re-building 'v1.Rmd' using rmarkdown
Error: processing vignette 'v1.Rmd' failed with diagnostics:
DLL 'rlang' not found: maybe not installed for this architecture?
--- failed re-building 'v1.Rmd'

--- re-building 'v2.Rmd' using rmarkdown
Error: processing vignette 'v2.Rmd' failed with diagnostics:
DLL 'rlang' not found: maybe not installed for this architecture?
--- failed re-building 'v2.Rmd'

--- re-building 'v3.Rmd' using rmarkdown
Error: processing vignette 'v3.Rmd' failed with diagnostics:
DLL 'rlang' not found: maybe not installed for this architecture?
--- failed re-building 'v3.Rmd'

--- re-building 'v4.Rmd' using rmarkdown
Error: processing vignette 'v4.Rmd' failed with diagnostics:
DLL 'rlang' not found: maybe not installed for this architecture?
--- failed re-building 'v4.Rmd'

--- re-building 'v5.Rmd' using rmarkdown
Error: processing vignette 'v5.Rmd' failed with diagnostics:
DLL 'rlang' not found: maybe not installed for this architecture?
--- failed re-building 'v5.Rmd'

--- re-building 'v6.Rmd' using rmarkdown
Error: processing vignette 'v6.Rmd' failed with diagnostics:
DLL 'rlang' not found: maybe not installed for this architecture?
--- failed re-building 'v6.Rmd'

--- re-building 'v7.Rmd' using rmarkdown
Error: processing vignette 'v7.Rmd' failed with diagnostics:
DLL 'rlang' not found: maybe not installed for this architecture?
--- failed re-building 'v7.Rmd'

--- re-building 'v8.Rmd' using rmarkdown
Error: processing vignette 'v8.Rmd' failed with diagnostics:
DLL 'rlang' not found: maybe not installed for this architecture?
--- failed re-building 'v8.Rmd'

--- re-building 'v9.Rmd' using rmarkdown
Error: processing vignette 'v9.Rmd' failed with diagnostics:
DLL 'rlang' not found: maybe not installed for this architecture?
--- failed re-building 'v9.Rmd'

SUMMARY: processing the following files failed:
  'v1.Rmd' 'v2.Rmd' 'v3.Rmd' 'v4.Rmd' 'v5.Rmd' 'v6.Rmd' 'v7.Rmd'
  'v8.Rmd' 'v9.Rmd'

Error: Vignette re-building failed.
Execution halted