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

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

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

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

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

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

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

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

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

SUMMARY: processing the following files failed:
  'basic_usage.Rmd' 'data_formatting.Rmd' 'interactions.Rmd'
  'mnl_models.Rmd' 'mnl_models_weighted.Rmd' 'mxl_models.Rmd'
  'predict_choices.Rmd' 'predict_probs.Rmd' 'utility_models.Rmd'

Error: Vignette re-building failed.
Execution halted