Error(s) in re-building vignettes:
--- re-building ‘communities_and_cliques.Rmd’ using rmarkdown
[WARNING] Deprecated: --highlight-style. Use --syntax-highlighting instead.
--- finished re-building ‘communities_and_cliques.Rmd’

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

--- re-building ‘grouped_sequences.Rmd’ using rmarkdown
OMP: Warning #96: Cannot form a team with 8 threads, using 2 instead.
OMP: Hint Consider unsetting KMP_DEVICE_THREAD_LIMIT (KMP_ALL_THREADS), KMP_TEAMS_THREAD_LIMIT, and OMP_THREAD_LIMIT (if any are set).

Quitting from grouped_sequences.Rmd:74-76 [unnamed-chunk-5]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `[.data.table`:
! attempt access index 6/6 in VECTOR_ELT
---
Backtrace:
     ▆
  1. ├─tna::group_model(engagement_mmm)
  2. └─tna:::group_model.mhmm(engagement_mmm)
  3.   ├─tna:::group_model.default(...)
  4.   │ └─group %m% seq_len(nrow(x))
  5.   ├─base::summary(x)
  6.   └─seqHMM:::summary.mhmm(x)
  7.     └─seqHMM::posterior_cluster_probabilities(object)
  8.       ├─seqHMM::posterior_probs(x)
  9.       └─seqHMM:::posterior_probs.mhmm(x)
 10.         ├─...[]
 11.         └─data.table:::`[.data.table`(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'grouped_sequences.Rmd' failed with diagnostics:
attempt access index 6/6 in VECTOR_ELT
--- failed re-building ‘grouped_sequences.Rmd’

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

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

SUMMARY: processing the following file failed:
  ‘grouped_sequences.Rmd’

Error: Vignette re-building failed.
Execution halted