Media format unsupported or otherwise unavilable/unsuitable for playing.

Hello Im running motioneye 0.42.1 with motion 4.3.1 on Raspbian 10 buster on Raspberry Pi 3 model b. I record video on motion triggered in H264/OMX and since a few days I got the error « Media format unsupported or otherwise unavilable/unsuitable for playing. » ( Btw there is a misspelling on the word « unavailable ») when I read it through the web (192.168.1.x:8765)

I also upload my files on a Google Drive and videos on my drive are working correctly, same as read locally and when I download them

So where did the error come from ?

Thanks !