Error(s) in re-building vignettes:
--- re-building ‘Edges.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Loading required package: ggplot2

Attaching package: 'tidygraph'

The following object is masked from 'package:stats':

    filter


Attaching package: 'rlang'

The following objects are masked from 'package:purrr':

    %@%, as_function, flatten, flatten_chr, flatten_dbl, flatten_int,
    flatten_lgl, flatten_raw, invoke, list_along, modify, prepend,
    splice

Quitting from lines 78-80 (Edges.Rmd) 
Error: processing vignette 'Edges.Rmd' failed with diagnostics:
polygon edge not found
--- failed re-building ‘Edges.Rmd’

--- re-building ‘Layouts.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Loading required package: ggplot2

Attaching package: 'tidygraph'

The following object is masked from 'package:stats':

    filter

Using `stress` as default layout
Quitting from lines 31-41 (Layouts.Rmd) 
Error: processing vignette 'Layouts.Rmd' failed with diagnostics:
polygon edge not found
--- failed re-building ‘Layouts.Rmd’

--- re-building ‘Nodes.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Loading required package: ggplot2

Attaching package: 'tidygraph'

The following object is masked from 'package:stats':

    filter

Quitting from lines 65-69 (Nodes.Rmd) 
Error: processing vignette 'Nodes.Rmd' failed with diagnostics:
polygon edge not found
--- failed re-building ‘Nodes.Rmd’

--- re-building ‘tidygraph.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.

Attaching package: 'tidygraph'

The following object is masked from 'package:stats':

    filter

Quitting from lines 111-117 (tidygraph.Rmd) 
Error: processing vignette 'tidygraph.Rmd' failed with diagnostics:
polygon edge not found
--- failed re-building ‘tidygraph.Rmd’

SUMMARY: processing the following files failed:
  ‘Edges.Rmd’ ‘Layouts.Rmd’ ‘Nodes.Rmd’ ‘tidygraph.Rmd’

Error: Vignette re-building failed.
Execution halted