Error on LYF Water 8 phone

[theavijitsarkar]

Application version

7300008
4
Android version

Android 6.0
4
Device
LS-5015 4
Manufacturer — Android version Android 6.0 RAM (MB) — Screen size 720 × 1184 Screen density (dpi) 320 OpenGL ES version 3.1 Native platform armeabi-v7a

java.lang.NullPointerException: Attempt to invoke virtual method 'void android.hardware.Camera.release()' on a null object reference
	at com.tmantman.nativecamera.CameraActivity.restartPreview(CameraActivity.java:351)
	at com.tmantman.nativecamera.CameraActivity$2.onClick(CameraActivity.java:213)
	at android.view.View.performClick(View.java:5205)
	at android.view.View$PerformClick.run(View.java:21164)
	at android.os.Handler.handleCallback(Handler.java:739)
	at android.os.Handler.dispatchMessage(Handler.java:95)
	at android.os.Looper.loop(Looper.java:148)
	at android.app.ActivityThread.main(ActivityThread.java:5417)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)