Error in re-building vignettes:
  ...
pandoc.exe: Could not fetch https://dl.dropboxusercontent.com/u/38391057/RSelenium/basics/RProject.png
StatusCodeException (Status {statusCode = 404, statusMessage = "Not Found"}) [("Server","nginx"),("Date","Wed, 15 Mar 2017 22:38:52 GMT"),("Content-Type","text/html"),("Transfer-Encoding","chunked"),("Connection","keep-alive"),("Vary","Accept-Encoding"),("X-Dropbox-Request-Id","0aaecfe3dc88e74d86471716992610e4"),("X-Robots-Tag","noindex, nofollow, noimageindex"),("Content-Encoding","gzip"),("X-Response-Body-Start","<!DOCTYPE html>\n<html>\n<head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\n<title>Dropbox - 404</title>\n<link href=\"https://cfl.dropboxstatic.com/static/css/error.css\" rel=\"stylesheet\" type=\"text/css\"/>\n<link rel=\"shortcut icon\" href=\"https://cfl.dropboxstatic.com/static/images/favicon.ico\"/>\n\n</head>\n<body>\n<div class=\"figure\">\n<img src=\"https://cfl.dropboxstatic.com/static/images/publicfoldersunset.png\" alt=\"Error: 404\"/>\n</div>\n<div id=\"errorbox\">\n<div class=\"public-folder-404\"> <h1 class=\"error_message\">File not found</h1> <br> <div class=\"message_body\"> Sorry, that file doesn&rsquo;t live here anymore. It might have been moved or made private. </div> <br> <a class=\"c-btn c-btn--primary public-folder-link\" href=\"https://www.dropbox.com\">Learn about Dropbox</a> </div>\n</div>\n<section class=\"footer-row\"><footer id=\"homepage-footer\" class=\"twelve-column dropbox-footer clearfix\"><nav><ul class=\"o-nav\"><li class=\"o-nav__header\">Dropbox</li><li class=\"o-nav__item\"><a href=\"https://www.dropbox.com/install\">Desktop app</a></li><li class=\"o-nav__item\"><a href=\"https://www.dropbox.com/mobile\">Mobile apps</a></li><li class=\"o-nav__item\"><a href=\"https://www.dropbox.com/plans?trigger=homepagefoot\">Plans</a></li><li class=\"o-nav__item\"><a href=\"https://www.dropbox.com/security\">Security</a></li></ul><ul class=\"o-nav\"><li class=\"o-nav__header\">Company</li><li class=\"o-nav__item\"><a href=\"https://www.dropbox.com/about\">About us</a></li><li class=\"o-nav__item\"><a href=\"https://bit.ly/dbxdotcomapps\">Jobs</a></li><li class=\"o-nav__item\"><a href=\"https://www.dropbox.com/news\">Press</a></li><li class=\"o-nav__item\"><a href=\"https://blogs.dropbox.com/dropbox\">Blog</a></li></ul><ul class=\"o-nav\"><li class=\"o-nav__header\">Support</li><li class=\"o-nav__item\"><a href=\"https://www.dropbox.com/help\">Help Center</a></li><li class=\"o-nav__item\"><a href=\"https://www.dropbox.com/contact\">Contact us</a></li><li class=\"o-nav__item\"><a href=\"https://www.dropbox.com/terms/cookies\">Cookies</a></li><li class=\"o-nav__item\"><a href=\"https://www.dropbox.com/privacy\">Privacy &amp; terms</a></li></ul><ul class=\"o-nav\"><li class=\"o-nav__header\">Community</li><li class=\"o-nav__item\"><a href=\"https://www.dropbox.com/developers\">Developers</a></li><li class=\"o-nav__item\"><a href=\"https://www.dropbox.com/referrals\">Referrals</a></li><li class=\"o-nav__item\"><a href=\"https://www.dropboxforum.com\">Forum</a></li></ul><ul class=\"o-nav\"><li class=\"o-nav__header\">Connect</li><li class=\"o-nav__item\"><a href=\"https://twitter.com/dropbox\">Twitter</a></li><li class=\"o-nav__item\"><a href=\"https://www.facebook.com/Dropbox\">Facebook</a></li><li class=\"o-nav__item\"><a href=\"https://plus.google.com/+Dropbox/posts\">Google+</a></li><li class=\"o-nav__item\"><a href=\"https://www.youtube.com/user/dropbox\">YouTube</a></li></ul><ul class=\"o-nav\"><li class=\"o-nav__header\">Products</li><li class=\"o-nav__item\"><a href=\"https://www.dropbox.com/pro\">Plus</a></li><li class=\"o-nav__item\"><a href=\"https://www.dropbox.com/business\">Business</a></li><li class=\"o-nav__item\"><a href=\"https://www.dropbox.com/enterprise\">Enterprise</a></li></ul></nav><div class=\"react-locale-selector-wrapper\"><div id=\"component1937679262106323703\"><div class=\"react-stub\"></div></div></div></footer></section>\n</body>\n</html>\n"),("X-Request-URL","GET https://dl.dropboxusercontent.com:443/u/38391057/RSelenium/basics/RProject.png")] (CJ {expose = []})
Warning: running command '"D:/compiler/pandoc/pandoc" +RTS -K512m -RTS RSelenium-basics.utf8.md --to html --from markdown+autolink_bare_uris+ascii_identifiers+tex_math_single_backslash --output RSelenium-basics.html --smart --email-obfuscation none --self-contained --standalone --section-divs --table-of-contents --toc-depth 3 --template "d:\RCompile\CRANpkg\lib\3.4\rmarkdown\rmd\h\default.html" --no-highlight --variable highlightjs=1 --variable "theme:cerulean" --include-in-header "D:\temp\RtmpovTHkX\rmarkdown-str4c90660959ff.html" --mathjax --variable "mathjax-url:https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"' had status 67
Error: processing vignette 'RSelenium-basics.Rmd' failed with diagnostics:
pandoc document conversion failed with error 67
Execution halted