Error on camera stopped

[mcbtony]

E/MediaEncoder: failed onStopped
java.lang.NullPointerException: Attempt to invoke virtual method 'void com.daasuu.camerarecorder.egl.GlPreviewRenderer.setVideoEncoder(com.daasuu.camerarecorder.capture.MediaVideoEncoder)' on a null object reference
at com.daasuu.camerarecorder.CameraRecorder$3.onStopped(CameraRecorder.java:207)
at com.daasuu.camerarecorder.capture.MediaEncoder.release(MediaEncoder.java:191)
at com.daasuu.camerarecorder.capture.MediaVideoEncoder.release(MediaVideoEncoder.java:128)
at com.daasuu.camerarecorder.capture.MediaEncoder.run(MediaEncoder.java:128)
at java.lang.Thread.run(Thread.java:764)