Fatal Exception: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.graphics.SurfaceTexture.setDefaultBufferSize(int, int)' on a null object reference

[khiemdnt]

Hi, thank for project. I faced crash in firebase Crashlytics. How to fix it?
Thanks!

      Fatal Exception: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.graphics.SurfaceTexture.setDefaultBufferSize(int, int)' on a null object reference
   at com.otaliastudios.cameraview.engine.Camera2Engine.onStartBind(Camera2Engine.java:517)
   at com.otaliastudios.cameraview.engine.CameraEngine$8.call(CameraEngine.java:470)
   at com.otaliastudios.cameraview.engine.CameraEngine$8.call(CameraEngine.java:466)
   at com.otaliastudios.cameraview.engine.orchestrator.CameraStateOrchestrator$2.call(CameraStateOrchestrator.java:69)
   at com.otaliastudios.cameraview.engine.orchestrator.CameraStateOrchestrator$2.call(CameraStateOrchestrator.java:60)
   at com.otaliastudios.cameraview.engine.orchestrator.CameraOrchestrator$3.run(CameraOrchestrator.java:152)
   at com.otaliastudios.cameraview.internal.WorkerHandler.run(WorkerHandler.java:137)
   at com.otaliastudios.cameraview.engine.orchestrator.CameraOrchestrator.execute(CameraOrchestrator.java:147)
   at com.otaliastudios.cameraview.engine.orchestrator.CameraOrchestrator.access$100(CameraOrchestrator.java:34)
   at com.otaliastudios.cameraview.engine.orchestrator.CameraOrchestrator$2.run(CameraOrchestrator.java:137)
   at android.os.Handler.handleCallback(Handler.java:938)
   at android.os.Handler.dispatchMessage(Handler.java:99)
   at android.os.Looper.loop(Looper.java:246)
   at android.os.HandlerThread.run(HandlerThread.java:67)