Error(s) in re-building vignettes:
  ...
--- re-building ‘blog.Rmd’ using rmarkdown
[WARNING] Deprecated: --highlight-style. Use --syntax-highlighting instead.
[WARNING] Citeproc: citation sarkar_street_2018 not found
--- finished re-building ‘blog.Rmd’

--- re-building ‘stats19-training-setup.Rmd’ using rmarkdown
[WARNING] Deprecated: --highlight-style. Use --syntax-highlighting instead.
--- finished re-building ‘stats19-training-setup.Rmd’

--- re-building ‘stats19-training.Rmd’ using rmarkdown
[WARNING] Deprecated: --highlight-style. Use --syntax-highlighting instead.
[WARNING] Could not fetch resource https://raw.githubusercontent.com/ITSLeeds/TDS/master/courses/2day/images/rstudio-ui.png: HttpExceptionRequest Request {
    host                 = "raw.githubusercontent.com"
    port                 = 443
    secure               = True
    requestHeaders       = []
    path                 = "/ITSLeeds/TDS/master/courses/2day/images/rstudio-ui.png"
    queryString          = ""
    method               = "GET"
    proxy                = Nothing
    rawBody              = False
    redirectCount        = 10
    responseTimeout      = ResponseTimeoutDefault
    requestVersion       = HTTP/1.1
    proxySecureMode      = ProxySecureWithConnect
  }
   (StatusCodeException (Response {responseStatus = Status {statusCode = 404, statusMessage = "Not Found"}, responseVersion = HTTP/1.1, responseHeaders = [("Connection","keep-alive"),("Content-Length","14"),("Content-Security-Policy","default-src 'none'; style-src 'unsafe-inline'; sandbox"),("Strict-Transport-Security","max-age=31536000"),("X-Content-Type-Options","nosniff"),("X-Frame-Options","deny"),("X-XSS-Protection","1; mode=block"),("Content-Type","text/plain; charset=utf-8"),("X-GitHub-Request-Id","7ACA:1F89A8:F1912A:1169802:68E54358"),("Accept-Ranges","bytes"),("Date","Tue, 07 Oct 2025 16:44:08 GMT"),("Via","1.1 varnish"),("X-Served-By","cache-vie6334-VIE"),("X-Cache","MISS"),("X-Cache-Hits","0"),("X-Timer","S1759855448.139020,VS0,VE171"),("Vary","Authorization,Accept-Encoding"),("Access-Control-Allow-Origin","*"),("Cross-Origin-Resource-Policy","cross-origin"),("X-Fastly-Request-ID","0feda01afd817fc83aee36a96c46806b02c2071b"),("Expires","Tue, 07 Oct 2025 16:49:08 GMT"),("Source-Age","0")], responseBody = (), responseCookieJar = CJ {expose = []}, responseClose' = ResponseClose, responseOriginalRequest = Request {
    host                 = "raw.githubusercontent.com"
    port                 = 443
    secure               = True
    requestHeaders       = []
    path                 = "/ITSLeeds/TDS/master/courses/2day/images/rstudio-ui.png"
    queryString          = ""
    method               = "GET"
    proxy                = Nothing
    rawBody              = False
    redirectCount        = 10
    responseTimeout      = ResponseTimeoutDefault
    requestVersion       = HTTP/1.1
    proxySecureMode      = ProxySecureWithConnect
  }
  , responseEarlyHints = []}) "404: Not Found")
[WARNING] Could not fetch resource https://raw.githubusercontent.com/ITSLeeds/TDS/master/courses/2day/images/autocomplete.jpg: HttpExceptionRequest Request {
    host                 = "raw.githubusercontent.com"
    port                 = 443
    secure               = True
    requestHeaders       = []
    path                 = "/ITSLeeds/TDS/master/courses/2day/images/autocomplete.jpg"
    queryString          = ""
    method               = "GET"
    proxy                = Nothing
    rawBody              = False
    redirectCount        = 10
    responseTimeout      = ResponseTimeoutDefault
    requestVersion       = HTTP/1.1
    proxySecureMode      = ProxySecureWithConnect
  }
   (StatusCodeException (Response {responseStatus = Status {statusCode = 404, statusMessage = "Not Found"}, responseVersion = HTTP/1.1, responseHeaders = [("Connection","keep-alive"),("Content-Length","14"),("Content-Security-Policy","default-src 'none'; style-src 'unsafe-inline'; sandbox"),("Strict-Transport-Security","max-age=31536000"),("X-Content-Type-Options","nosniff"),("X-Frame-Options","deny"),("X-XSS-Protection","1; mode=block"),("Content-Type","text/plain; charset=utf-8"),("X-GitHub-Request-Id","2674:C9343:F2CB98:117DDCC:68E54357"),("Accept-Ranges","bytes"),("Date","Tue, 07 Oct 2025 16:44:08 GMT"),("Via","1.1 varnish"),("X-Served-By","cache-vie6334-VIE"),("X-Cache","MISS"),("X-Cache-Hits","0"),("X-Timer","S1759855448.345033,VS0,VE173"),("Vary","Authorization,Accept-Encoding"),("Access-Control-Allow-Origin","*"),("Cross-Origin-Resource-Policy","cross-origin"),("X-Fastly-Request-ID","bb200b69f549b875498ed2719c2e101e120c788d"),("Expires","Tue, 07 Oct 2025 16:49:08 GMT"),("Source-Age","0")], responseBody = (), responseCookieJar = CJ {expose = []}, responseClose' = ResponseClose, responseOriginalRequest = Request {
    host                 = "raw.githubusercontent.com"
    port                 = 443
    secure               = True
    requestHeaders       = []
    path                 = "/ITSLeeds/TDS/master/courses/2day/images/autocomplete.jpg"
    queryString          = ""
    method               = "GET"
    proxy                = Nothing
    rawBody              = False
    redirectCount        = 10
    responseTimeout      = ResponseTimeoutDefault
    requestVersion       = HTTP/1.1
    proxySecureMode      = ProxySecureWithConnect
  }
  , responseEarlyHints = []}) "404: Not Found")
[WARNING] Could not fetch resource https://raw.githubusercontent.com/ITSLeeds/TDS/master/courses/2day/images/fucntionhelp.jpg: HttpExceptionRequest Request {
    host                 = "raw.githubusercontent.com"
    port                 = 443
    secure               = True
    requestHeaders       = []
    path                 = "/ITSLeeds/TDS/master/courses/2day/images/fucntionhelp.jpg"
    queryString          = ""
    method               = "GET"
    proxy                = Nothing
    rawBody              = False
    redirectCount        = 10
    responseTimeout      = ResponseTimeoutDefault
    requestVersion       = HTTP/1.1
    proxySecureMode      = ProxySecureWithConnect
  }
   (StatusCodeException (Response {responseStatus = Status {statusCode = 404, statusMessage = "Not Found"}, responseVersion = HTTP/1.1, responseHeaders = [("Connection","keep-alive"),("Content-Length","14"),("Content-Security-Policy","default-src 'none'; style-src 'unsafe-inline'; sandbox"),("Strict-Transport-Security","max-age=31536000"),("X-Content-Type-Options","nosniff"),("X-Frame-Options","deny"),("X-XSS-Protection","1; mode=block"),("Content-Type","text/plain; charset=utf-8"),("X-GitHub-Request-Id","4239:E9B8E:F00476:1151560:68E54358"),("Accept-Ranges","bytes"),("Date","Tue, 07 Oct 2025 16:44:08 GMT"),("Via","1.1 varnish"),("X-Served-By","cache-vie6334-VIE"),("X-Cache","MISS"),("X-Cache-Hits","0"),("X-Timer","S1759855449.542651,VS0,VE179"),("Vary","Authorization,Accept-Encoding"),("Access-Control-Allow-Origin","*"),("Cross-Origin-Resource-Policy","cross-origin"),("X-Fastly-Request-ID","82274616db0e808719a5e1fe51dd4743b21a7433"),("Expires","Tue, 07 Oct 2025 16:49:08 GMT"),("Source-Age","0")], responseBody = (), responseCookieJar = CJ {expose = []}, responseClose' = ResponseClose, responseOriginalRequest = Request {
    host                 = "raw.githubusercontent.com"
    port                 = 443
    secure               = True
    requestHeaders       = []
    path                 = "/ITSLeeds/TDS/master/courses/2day/images/fucntionhelp.jpg"
    queryString          = ""
    method               = "GET"
    proxy                = Nothing
    rawBody              = False
    redirectCount        = 10
    responseTimeout      = ResponseTimeoutDefault
    requestVersion       = HTTP/1.1
    proxySecureMode      = ProxySecureWithConnect
  }
  , responseEarlyHints = []}) "404: Not Found")
--- finished re-building ‘stats19-training.Rmd’

--- re-building ‘stats19-vehicles.Rmd’ using rmarkdown
[WARNING] Deprecated: --highlight-style. Use --syntax-highlighting instead.
--- finished re-building ‘stats19-vehicles.Rmd’

--- re-building ‘stats19.Rmd’ using rmarkdown

Quitting from stats19.Rmd:366-374 [nfatalities]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
NULL
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'stats19.Rmd' failed with diagnostics:
ℹ In argument: `accident_severity == "Fatal"`.
Caused by error:
! object 'accident_severity' not found
--- failed re-building ‘stats19.Rmd’

SUMMARY: processing the following file failed:
  ‘stats19.Rmd’

Error: Vignette re-building failed.
Execution halted