Error(s) in re-building vignettes:
--- re-building 'rfacebookstat-authorization.Rmd' using rmarkdown
Could not fetch http://img.netpeak.ua/alsey/157259948210_kiss_9kb.png
HttpExceptionRequest Request {
  host                 = "img.netpeak.ua"
  port                 = 80
  secure               = False
  requestHeaders       = []
  path                 = "/alsey/157259948210_kiss_9kb.png"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
}
 (ConnectionFailure user error (Network.Socket.gai_strerror not supported: 11002))
Error: processing vignette 'rfacebookstat-authorization.Rmd' failed with diagnostics:
pandoc document conversion failed with error 61
--- failed re-building 'rfacebookstat-authorization.Rmd'

--- re-building 'rfacebookstat-cost-data.Rmd' using rmarkdown
Could not fetch http://img.netpeak.ua/alsey/159056878065_kiss_43kb.png
HttpExceptionRequest Request {
  host                 = "img.netpeak.ua"
  port                 = 80
  secure               = False
  requestHeaders       = []
  path                 = "/alsey/159056878065_kiss_43kb.png"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
}
 (ConnectionFailure user error (Network.Socket.gai_strerror not supported: 11002))
Error: processing vignette 'rfacebookstat-cost-data.Rmd' failed with diagnostics:
pandoc document conversion failed with error 61
--- failed re-building 'rfacebookstat-cost-data.Rmd'

--- re-building 'rfacebookstat-get-statistics.Rmd' using rmarkdown
--- finished re-building 'rfacebookstat-get-statistics.Rmd'

SUMMARY: processing the following files failed:
  'rfacebookstat-authorization.Rmd' 'rfacebookstat-cost-data.Rmd'

Error: Vignette re-building failed.
Execution halted