Error(s) in re-building vignettes:
--- re-building ‘merging-route-networks.Rmd’ using rmarkdown
Could not fetch https://user-images.githubusercontent.com/1825120/267946945-d89dfb99-fb60-4db5-ab39-168773ef01ad.png
HttpExceptionRequest Request {
  host                 = "user-images.githubusercontent.com"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/1825120/267946945-d89dfb99-fb60-4db5-ab39-168773ef01ad.png"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
}
 (InternalException (HandshakeFailed (Error_Protocol ("certificate has unknown CA",True,UnknownCa))))
Error: processing vignette 'merging-route-networks.Rmd' failed with diagnostics:
pandoc document conversion failed with error 61
--- failed re-building ‘merging-route-networks.Rmd’

--- re-building ‘stplanr-od.Rmd’ using rmarkdown
--- finished re-building ‘stplanr-od.Rmd’

--- re-building ‘stplanr-paper.Rmd’ using rmarkdown
--- finished re-building ‘stplanr-paper.Rmd’

--- re-building ‘stplanr-parallel.Rmd’ using rmarkdown
--- finished re-building ‘stplanr-parallel.Rmd’

--- re-building ‘stplanr-route-nets.Rmd’ using rmarkdown
2024-09-09 10:14:18.416 R[28254:2032202104] XType: Using static font registry.
Could not fetch https://i.imgur.com/827f761.png
HttpExceptionRequest Request {
  host                 = "i.imgur.com"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/827f761.png"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
}
 (InternalException (HandshakeFailed (Error_Protocol ("certificate has unknown CA",True,UnknownCa))))
Error: processing vignette 'stplanr-route-nets.Rmd' failed with diagnostics:
pandoc document conversion failed with error 61
--- failed re-building ‘stplanr-route-nets.Rmd’

--- re-building ‘stplanr-routing.Rmd’ using rmarkdown
Could not fetch https://user-images.githubusercontent.com/1825120/86902789-577d1080-c106-11ea-91df-8d0180931562.png
HttpExceptionRequest Request {
  host                 = "user-images.githubusercontent.com"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/1825120/86902789-577d1080-c106-11ea-91df-8d0180931562.png"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
}
 (InternalException (HandshakeFailed (Error_Protocol ("certificate has unknown CA",True,UnknownCa))))
Error: processing vignette 'stplanr-routing.Rmd' failed with diagnostics:
pandoc document conversion failed with error 61
--- failed re-building ‘stplanr-routing.Rmd’

--- re-building ‘stplanr.Rmd’ using rmarkdown
2024-09-09 10:14:24.301 R[28552:2032202786] XType: Using static font registry.
--- finished re-building ‘stplanr.Rmd’

SUMMARY: processing the following files failed:
  ‘merging-route-networks.Rmd’ ‘stplanr-route-nets.Rmd’
  ‘stplanr-routing.Rmd’

Error: Vignette re-building failed.
Execution halted