Some Errors In Media Extended Plugin

When I use the Media Extended plugin to play local videos in mp4 format, I can timestamp them, but usually, after 1 minute of timestamp, the error message “The media playback was aborted due to corruption problem or because the media encoding is not supported” will appear in the upper right corner. What does this error mean? Does the Media Extended plugin not support mp4 format?

Does anyone know how to solve this problem?

Hopefully someone can respond here, but I’d check their GitHub page for issues as well.