If you're not familiar with using adb, try catlog or alogcat apps instead.
Take the log right after camera crashes.
This is, Take photo with on flash mod
java.lang.RuntimeException: takePicture failed
at android.hardware.Camera.native_takePicture(Native Method)
at android.hardware.Camera.takePicture(Camera.java:1492)
at com.android.camera.AndroidCameraManagerImpl$CameraHandler$1.run(AndroidCameraManagerImpl.java:167)
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.os.HandlerThread.run(HandlerThread.java:61)