UBUNTU FIX: specified "type" attribute "video/mp4" is not supported

A solution to specified “type” attribute “video/mp4” is not supported

if this video helped, you can buy me coffee
btc address(bitcoin network) : 18Le59m82Z4RRTEH8kNDeNVFzXzVnxH6Se
usdt(TRC20) : TNL29JfK8Xx6boDZ54PqWwTKTxs4k6Z3cj

source

ubuntu