Nothing happens when the "Play" button is pressed on a video inserted in a Solvay website page.
As you knows, any video used in a Solvay website is managed within Keepeek (see Media management). When a video is stored in Keepeek, it needs some time to be convert it in the format expected by the website (approximately 1h / 100Mo). It is possible that an error occurs during this conversion.
If you inserted the video a short time ago, maybe the conversion process is just in course. Try waiting some time. Keepeek need approximately 1h / 100Mo to convert a video.
If your video is still not played, you should apply the following process to relaunch the conversion process: