Crash: NullPointerException

[jpage4500]

Just wanted to log this crash I'm seeing on my 10" Fire Tablet (running Lineage OS)

Fatal Exception: java.lang.NullPointerException: Attempt to invoke virtual method 'android.hardware.Camera$Parameters android.hardware.Camera.getParameters()' on a null object reference
       at com.jjoe64.motiondetection.motiondetection.MotionDetector$2.surfaceChanged(MotionDetector.java:194)
       at android.view.SurfaceView.updateWindow(SurfaceView.java:630)
       at android.view.SurfaceView$3.onPreDraw(SurfaceView.java:161)
       at android.view.ViewTreeObserver.dispatchOnPreDraw(ViewTreeObserver.java:944)
       at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2205)
       at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1254)
       at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6344)
       at android.view.Choreographer$CallbackRecord.run(Choreographer.java:874)
       at android.view.Choreographer.doCallbacks(Choreographer.java:686)
       at android.view.Choreographer.doFrame(Choreographer.java:621)
       at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:860)
       at android.os.Handler.handleCallback(Handler.java:751)
       at android.os.Handler.dispatchMessage(Handler.java:95)
       at android.os.Looper.loop(Looper.java:154)
       at android.app.ActivityThread.main(ActivityThread.java:6186)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:889)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:779)