Error(s) in re-building vignettes:
  ...
--- re-building ‘simDAG.Rmd’ using rmarkdown

Quitting from simDAG.Rmd:444-448 [unnamed-chunk-23]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `[.data.table`:
! attempt access index 2/2 in VECTOR_ELT
---
Backtrace:
    ▆
 1. └─simDAG::sim2data(...)
 2.   └─simDAG:::sim2start_stop(...)
 3.     └─simDAG:::sim2start_stop.last(...)
 4.       ├─...[]
 5.       └─data.table:::`[.data.table`(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'simDAG.Rmd' failed with diagnostics:
attempt access index 2/2 in VECTOR_ELT
--- failed re-building ‘simDAG.Rmd’

--- re-building ‘v_cookbook.Rmd’ using rmarkdown

Quitting from v_cookbook.Rmd:173-198 [unnamed-chunk-9]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `[.data.table`:
! attempt access index 2/2 in VECTOR_ELT
---
Backtrace:
    ▆
 1. └─simDAG::sim2data(sim, to = "start_stop", overlap = TRUE)
 2.   └─simDAG:::sim2start_stop(...)
 3.     └─simDAG:::sim2start_stop.last(...)
 4.       ├─...[]
 5.       └─data.table:::`[.data.table`(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'v_cookbook.Rmd' failed with diagnostics:
attempt access index 2/2 in VECTOR_ELT
--- failed re-building ‘v_cookbook.Rmd’

--- re-building ‘v_covid_example.Rmd’ using rmarkdown

Quitting from v_covid_example.Rmd:226-228 [unnamed-chunk-12]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `[.data.table`:
! attempt access index 2/2 in VECTOR_ELT
---
Backtrace:
    ▆
 1. └─simDAG::sim2data(sim, to = "start_stop")
 2.   └─simDAG:::sim2start_stop(...)
 3.     └─simDAG:::sim2start_stop.last(...)
 4.       ├─...[]
 5.       └─data.table:::`[.data.table`(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'v_covid_example.Rmd' failed with diagnostics:
attempt access index 2/2 in VECTOR_ELT
--- failed re-building ‘v_covid_example.Rmd’

--- re-building ‘v_custom_nodes.Rmd’ using rmarkdown
[WARNING] Deprecated: --highlight-style. Use --syntax-highlighting instead.
--- finished re-building ‘v_custom_nodes.Rmd’

--- re-building ‘v_sim_discrete_time.Rmd’ using rmarkdown

Quitting from v_sim_discrete_time.Rmd:174-177 [unnamed-chunk-16]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `[.data.table`:
! attempt access index 2/2 in VECTOR_ELT
---
Backtrace:
    ▆
 1. └─simDAG::sim2data(sim_dat, to = "start_stop")
 2.   └─simDAG:::sim2start_stop(...)
 3.     └─simDAG:::sim2start_stop.last(...)
 4.       ├─...[]
 5.       └─data.table:::`[.data.table`(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'v_sim_discrete_time.Rmd' failed with diagnostics:
attempt access index 2/2 in VECTOR_ELT
--- failed re-building ‘v_sim_discrete_time.Rmd’

--- re-building ‘v_sim_from_dag.Rmd’ using rmarkdown
[WARNING] Deprecated: --highlight-style. Use --syntax-highlighting instead.
--- finished re-building ‘v_sim_from_dag.Rmd’

--- re-building ‘v_sim_networks.Rmd’ using rmarkdown
[WARNING] Deprecated: --highlight-style. Use --syntax-highlighting instead.
--- finished re-building ‘v_sim_networks.Rmd’

--- re-building ‘v_using_formulas.Rmd’ using rmarkdown
[WARNING] Deprecated: --highlight-style. Use --syntax-highlighting instead.
--- finished re-building ‘v_using_formulas.Rmd’

SUMMARY: processing the following files failed:
  ‘simDAG.Rmd’ ‘v_cookbook.Rmd’ ‘v_covid_example.Rmd’
  ‘v_sim_discrete_time.Rmd’

Error: Vignette re-building failed.
Execution halted