My video (media player) don't play when i start my game

So i start to use the media player (to play a video on a tv screen in my game) and i think i did all fine because the video play in the preview but when i press play the screen become black… like the video don’t save or i don’t know… :frowning: i need help :o

A screen:

Thanks!!!

Did you create nodes in blueprint to play it?

This may help