404 error

You have a few options when you don’t have access to a source map:

  • Ignore the message. It generaly only gets thrown when your dev tools are open.
  • Remove the reference in the original file. These are the last characters (comments) at the end of the file.
  • Generate a source map yourself when you have access to the source code. For video.js, it can be generated from
  • Use a public CDN version which might not link to the source map.

There also is a discussion on GitHub about this topic.

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