Error(s) in re-building vignettes:
  ...
--- re-building ‘PoS_codata.Rmd’ using rmarkdown
Quitting from lines 242-249 (PoS_codata.Rmd) 
Error: processing vignette 'PoS_codata.Rmd' failed with diagnostics:
VECTOR_ELT() can only be applied to a 'list', not a 'double'
--- failed re-building ‘PoS_codata.Rmd’

--- re-building ‘PoS_interim.Rmd’ using rmarkdown
Quitting from lines 115-144 (PoS_interim.Rmd) 
Error: processing vignette 'PoS_interim.Rmd' failed with diagnostics:
VECTOR_ELT() can only be applied to a 'list', not a 'double'
--- failed re-building ‘PoS_interim.Rmd’

--- re-building ‘customizing_plots.Rmd’ using rmarkdown
Loading required package: Rcpp
This is RBesT version 1.3.7
This is bayesplot version 1.6.0
- Online documentation and vignettes at mc-stan.org/bayesplot
- bayesplot theme set to bayesplot::theme_default()
   * Does _not_ affect other ggplot2 plots
   * See ?bayesplot_theme_set for details on theme setting
Final MCMC sample equivalent to less than 1000 independent draws.
Please consider increasing the MCMC simulation size.
Quitting from lines 60-61 (customizing_plots.Rmd) 
Error: processing vignette 'customizing_plots.Rmd' failed with diagnostics:
VECTOR_ELT() can only be applied to a 'list', not a 'double'
--- failed re-building ‘customizing_plots.Rmd’

--- re-building ‘introduction.Rmd’ using rmarkdown
Quitting from lines 89-107 (introduction.Rmd) 
Error: processing vignette 'introduction.Rmd' failed with diagnostics:
VECTOR_ELT() can only be applied to a 'list', not a 'double'
--- failed re-building ‘introduction.Rmd’

--- re-building ‘introduction_normal.Rmd’ using rmarkdown
Quitting from lines 88-105 (introduction_normal.Rmd) 
Error: processing vignette 'introduction_normal.Rmd' failed with diagnostics:
VECTOR_ELT() can only be applied to a 'list', not a 'double'
--- failed re-building ‘introduction_normal.Rmd’

--- re-building ‘robustMAP.Rmd’ using rmarkdown
Quitting from lines 182-190 (robustMAP.Rmd) 
Error: processing vignette 'robustMAP.Rmd' failed with diagnostics:
VECTOR_ELT() can only be applied to a 'list', not a 'double'
--- failed re-building ‘robustMAP.Rmd’

--- re-building ‘variances_MAP.Rmd’ using rmarkdown
Quitting from lines 110-120 (variances_MAP.Rmd) 
Error: processing vignette 'variances_MAP.Rmd' failed with diagnostics:
VECTOR_ELT() can only be applied to a 'list', not a 'double'
--- failed re-building ‘variances_MAP.Rmd’

SUMMARY: processing the following files failed:
  ‘PoS_codata.Rmd’ ‘PoS_interim.Rmd’ ‘customizing_plots.Rmd’
  ‘introduction.Rmd’ ‘introduction_normal.Rmd’ ‘robustMAP.Rmd’
  ‘variances_MAP.Rmd’

Error: Vignette re-building failed.
Execution halted