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 importing_form_from_url.Rmd:19-24 [unnamed-chunk-2]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `open.connection()`:
! cannot open the connection
---
Backtrace:
     ▆
  1. └─preregr::import_from_html("https://preregr.opens.science/articles/creating_prereg_form.html")
  2.   ├─rvest::read_html(x = x)
  3.   └─xml2:::read_html.default(x = x)
  4.     ├─base::suppressWarnings(...)
  5.     │ └─base::withCallingHandlers(...)
  6.     ├─xml2::read_xml(x, encoding = encoding, ..., as_html = TRUE, options = options)
  7.     └─xml2:::read_xml.character(...)
  8.       └─xml2:::read_xml.connection(...)
  9.         ├─base::open(x, "rb")
 10.         └─base::open.connection(x, "rb")
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'importing_form_from_url.Rmd' failed with diagnostics:
cannot open the connection
--- failed re-building 'importing_form_from_url.Rmd'

--- re-building 'importing_pregistration_from_url.Rmd' using rmarkdown

Quitting from importing_pregistration_from_url.Rmd:21-24 [unnamed-chunk-2]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `open.connection()`:
! cannot open the connection
---
Backtrace:
     ▆
  1. └─preregr::import_from_html("https://preregr.opens.science/articles/specifying_prereg_content.html")
  2.   ├─rvest::read_html(x = x)
  3.   └─xml2:::read_html.default(x = x)
  4.     ├─base::suppressWarnings(...)
  5.     │ └─base::withCallingHandlers(...)
  6.     ├─xml2::read_xml(x, encoding = encoding, ..., as_html = TRUE, options = options)
  7.     └─xml2:::read_xml.character(...)
  8.       └─xml2:::read_xml.connection(...)
  9.         ├─base::open(x, "rb")
 10.         └─base::open.connection(x, "rb")
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'importing_pregistration_from_url.Rmd' failed with diagnostics:
cannot open the connection
--- 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
--- finished re-building 'specifying_prereg_content.Rmd'

SUMMARY: processing the following files failed:
  'importing_form_from_url.Rmd' 'importing_pregistration_from_url.Rmd'

Error: Vignette re-building failed.
Execution halted