Another Error. :l

Exception in thread "LWJGL Application" com.badlogic.gdx.utils.GdxRuntimeException: java.lang.UnsatisfiedLinkError: com.badlogic.gdx.video.FfMpeg.register()V
	at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:127)
Caused by: java.lang.UnsatisfiedLinkError: com.badlogic.gdx.video.FfMpeg.register()V
	at com.badlogic.gdx.video.FfMpeg.register(Native Method)
	at com.badlogic.gdx.video.FfMpeg.loadLibraries(FfMpeg.java:78)
	at com.badlogic.gdx.video.VideoPlayerDesktop.play(VideoPlayerDesktop.java:126)
	at com.imackshun.games.rhythmrpg.screens.VideoTestScreen.show(VideoTestScreen.java:50)
	at com.badlogic.gdx.Game.setScreen(Game.java:61)
	at com.imackshun.games.rhythmrpg.RhythmRPG.create(RhythmRPG.java:17)
	at com.badlogic.gdx.backends.lwjgl.LwjglApplication.mainLoop(LwjglApplication.java:143)
	at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:120)