Hello, I have a problem for some time that the images, or as they are called in the page builder, posters, for the self-hosted MP4 videos are no longer displayed in the public browser view. In the frontend editor of Page Builder everything looks as it should. This all worked well originally. Now I'm not exactly sure when this error first appeared. So whether, for example, an update is responsible for this. What could be the reason?
Greetings from Germany - Rainer