Error(s) in re-building vignettes:
  ...
--- re-building 'ccode-considerations.Rmd' using rmarkdown
Quitting from lines 125-199 (ccode-considerations.Rmd) 
Error: processing vignette 'ccode-considerations.Rmd' failed with diagnostics:
Evaluation error: a valid "POSIXlt" object has names.
--- failed re-building 'ccode-considerations.Rmd'

--- re-building 'clean-vdem.Rmd' using rmarkdown
[WARNING] Citeproc: citation Coppedge2020 not found
[WARNING] Citeproc: citation FreedomHouse2014 not found
[WARNING] Citeproc: citation Marshall2002 not found
[WARNING] Citeproc: citation Pemstein2018 not found
[WARNING] Citeproc: citation TheWorldBank2017 not found
[WARNING] Citeproc: citation Wig2015 not found
--- finished re-building 'clean-vdem.Rmd'

--- re-building 'constitution-datasets.Rmd' using rmarkdown
[WARNING] Citeproc: citation ComparativeConstitutionsProject2016 not found
[WARNING] Citeproc: citation Coppedge2017 not found
[WARNING] Citeproc: citation Elkins not found
[WARNING] Citeproc: citation Elkins2009 not found
[WARNING] Citeproc: citation Elkins2009a not found
[WARNING] Citeproc: citation Elkins2014 not found
[WARNING] Citeproc: citation Elkins2020 not found
[WARNING] Citeproc: citation FreedomHouse2021 not found
[WARNING] Citeproc: citation Marshall2020 not found
[WARNING] Citeproc: citation Wig2015 not found
--- finished re-building 'constitution-datasets.Rmd'

--- re-building 'constraint-indices.Rmd' using rmarkdown
Warning: Removed 381 rows containing non-finite values (`stat_bin()`).
Warning: Removed 6525 rows containing non-finite values (`stat_bin()`).
--- finished re-building 'constraint-indices.Rmd'

--- re-building 'dem-datasets.Rmd' using rmarkdown
Linking to GEOS 3.11.0, GDAL 3.5.2, PROJ 9.1.0; sf_use_s2() is TRUE
Warning in load(url(vdem_url)) :
  strings not representable in native encoding will be translated to UTF-8
Warning in countrycode_convert(sourcevar = sourcevar, origin = origin, destination = dest,  :
  Some values were not matched unambiguously: ATA, ATF, ESH, FLK, GRL, NCL, PRI, PSE, SRB

[WARNING] Citeproc: citation Casper2003 not found
[WARNING] Citeproc: citation Cheibub2010 not found
[WARNING] Citeproc: citation Coppedge2017 not found
[WARNING] Citeproc: citation Coppedge2020 not found
[WARNING] Citeproc: citation EconomistIntelligenceUnit2020 not found
[WARNING] Citeproc: citation FreedomHouse2021 not found
[WARNING] Citeproc: citation Hogstrom2013 not found
[WARNING] Citeproc: citation Marshall2020 not found
[WARNING] Citeproc: citation Michalik2015 not found
[WARNING] Citeproc: citation V-DemInstitute2020 not found
[WARNING] Citeproc: citation Vanhanen2000 not found
[WARNING] Citeproc: citation Wig2015 not found
--- finished re-building 'dem-datasets.Rmd'

SUMMARY: processing the following file failed:
  'ccode-considerations.Rmd'

Error: Vignette re-building failed.
Execution halted