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We have an animation built with leaflet that was working until about a month ago.

Now, the play button is just like an image, and nothing happens when I hover or click on it. In the inspect element under sources I have the following:

Could not load content for https://cdnjs.cloudflare.com/ajax/libs/vis/3.12.0/dist/vis.js (HTTP error: status code 404, net::ERR_HTTP_RESPONSE_CODE_FAILURE)

May this be the cause and if yes, how I may fix it?

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  • The error code could not be more clear: 404 means that the file /ajax/libs/vis/3.12.0/dist/vis.js does not exist any more on the CDNJS server. How can you fix it: find origin of the library on the GitHub and download the file to where you app runs.
    – TomazicM
    Commented Jun 5, 2020 at 17:14
  • But since github.com/almende/vis is deprecated, one can guess that maybe the files from the CDN were pulled off because of the deprecation, and the only way forward is to switch ti visjs. Commented Jun 5, 2020 at 18:38

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