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java.lang.ArrayIndexOutOfBoundsException: length=4; index=4 at java.util.Vector.arrayIndexOutOfBoundsException(Vector.java:907) at java.util.Vector.elementAt(Vector.java:328) at java.util.Vector.get(Vector.java:442) at com.vuforia.samples.VideoPlayback.app.VideoPlayback.VideoPlaybackRenderer.renderFrame(VideoPlaybackRenderer.java:762) at com.vuforia.samples.VideoPlayback.app.VideoPlayback.VideoPlaybackRenderer.onDrawFrame(VideoPlaybackRenderer.java:292) at android.opengl.GLSurfaceView$GLThread.guardedRun(GLSurfaceView.java:1531) at android.opengl.GLSurfaceView$GLThread.run(GLSurfaceView.java:1248)