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

--- re-building ‘creating_prereg_form.Rmd’ using rmarkdown
--- finished re-building ‘creating_prereg_form.Rmd’

--- re-building ‘form_OSFprereg_v1.Rmd’ using rmarkdown
[WARNING] Div at form_OSFprereg_v1.knit.md line 84 column 1 unclosed at form_OSFprereg_v1.knit.md line 770 column 1, closing implicitly.
--- finished re-building ‘form_OSFprereg_v1.Rmd’

--- re-building ‘form_OSFqual1_v1.Rmd’ using rmarkdown
--- finished re-building ‘form_OSFqual1_v1.Rmd’

--- re-building ‘form_genSysRev_v1.Rmd’ using rmarkdown
--- finished re-building ‘form_genSysRev_v1.Rmd’

--- re-building ‘form_generalPurpose_v1.Rmd’ using rmarkdown
--- finished re-building ‘form_generalPurpose_v1.Rmd’

--- re-building ‘form_generalPurpose_v1_1.Rmd’ using rmarkdown
--- finished re-building ‘form_generalPurpose_v1_1.Rmd’

--- re-building ‘form_inclDivAddon_v0_1.Rmd’ using rmarkdown
--- finished re-building ‘form_inclDivAddon_v0_1.Rmd’

--- re-building ‘form_inclSysRev_v0_92.Rmd’ using rmarkdown
--- finished re-building ‘form_inclSysRev_v0_92.Rmd’

--- re-building ‘form_prereg2D_v1.Rmd’ using rmarkdown
--- finished re-building ‘form_prereg2D_v1.Rmd’

--- re-building ‘form_preregQE_v0_93.Rmd’ using rmarkdown
--- finished re-building ‘form_preregQE_v0_93.Rmd’

--- re-building ‘form_preregQE_v0_94.Rmd’ using rmarkdown
--- finished re-building ‘form_preregQE_v0_94.Rmd’

--- re-building ‘form_preregQE_v0_95.Rmd’ using rmarkdown
--- finished re-building ‘form_preregQE_v0_95.Rmd’

--- re-building ‘form_prpQuant_v1.Rmd’ using rmarkdown
[WARNING] Div at form_prpQuant_v1.knit.md line 283 column 1 unclosed at form_prpQuant_v1.knit.md line 1076 column 1, closing implicitly.
[WARNING] Div at form_prpQuant_v1.knit.md line 182 column 1 unclosed at form_prpQuant_v1.knit.md line 1076 column 1, closing implicitly.
[WARNING] Div at form_prpQuant_v1.knit.md line 90 column 1 unclosed at form_prpQuant_v1.knit.md line 1076 column 1, closing implicitly.
--- finished re-building ‘form_prpQuant_v1.Rmd’

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

Quitting from lines 20-24 [unnamed-chunk-2] (importing_form_from_url.Rmd)
Error: processing vignette 'importing_form_from_url.Rmd' failed with diagnostics:
You need to have 'rvest' installed to work with HTML!
--- failed re-building ‘importing_form_from_url.Rmd’

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

Quitting from lines 22-24 [unnamed-chunk-2] (importing_pregistration_from_url.Rmd)
Error: processing vignette 'importing_pregistration_from_url.Rmd' failed with diagnostics:
You need to have 'rvest' installed to work with HTML!
--- failed re-building ‘importing_pregistration_from_url.Rmd’

--- re-building ‘preregr.Rmd’ using rmarkdown
--- finished re-building ‘preregr.Rmd’

--- re-building ‘rmd_template_from_form.Rmd’ using rmarkdown
--- finished re-building ‘rmd_template_from_form.Rmd’

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

Quitting from lines 155-164 [preregr-example-8] (specifying_prereg_content.Rmd)
Error: processing vignette 'specifying_prereg_content.Rmd' failed with diagnostics:
You can't justify without the `justifier` package.
ℹ You can install it with:

install.packages('justifier');
--- failed re-building ‘specifying_prereg_content.Rmd’

SUMMARY: processing the following files failed:
  ‘importing_form_from_url.Rmd’ ‘importing_pregistration_from_url.Rmd’
  ‘specifying_prereg_content.Rmd’

Error: Vignette re-building failed.
Execution halted