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

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

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

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

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

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

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

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

SUMMARY: processing the following files failed:
  'decaying_dimer.Rmd' 'epi_chain.Rmd' 'linear_chain.Rmd'
  'logistic_growth.Rmd' 'lotka_predator_prey.Rmd'
  'radioactive_decay.Rmd' 'rm_predator_prey.Rmd' 'sir.Rmd'

Error: Vignette re-building failed.
Execution halted