Wikitude

App crash in Android

I tried my app in the Karbon Titanium phone and it is crashing. This is the exception I am getting in the log:

11-18 19:28:37.781: E/AndroidRuntime(6790): FATAL EXCEPTION: main
11-18 19:28:37.781: E/AndroidRuntime(6790): java.lang.NullPointerException
11-18 19:28:37.781: E/AndroidRuntime(6790):     at com.wikitude.architect.CameraPreviewAR.onPreviewFrame(Unknown Source)
11-18 19:28:37.781: E/AndroidRuntime(6790):     at android.hardware.Camera$EventHandler.handleMessage(Camera.java:775)
11-18 19:28:37.781: E/AndroidRuntime(6790):     at android.os.Handler.dispatchMessage(Handler.java:99)
11-18 19:28:37.781: E/AndroidRuntime(6790):     at android.os.Looper.loop(Looper.java:137)
11-18 19:28:37.781: E/AndroidRuntime(6790):     at android.app.ActivityThread.main(ActivityThread.java:4794)
11-18 19:28:37.781: E/AndroidRuntime(6790):     at java.lang.reflect.Method.invokeNative(Native Method)
11-18 19:28:37.781: E/AndroidRuntime(6790):     at java.lang.reflect.Method.invoke(Method.java:511)
11-18 19:28:37.781: E/AndroidRuntime(6790):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789)
11-18 19:28:37.781: E/AndroidRuntime(6790):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:556)
11-18 19:28:37.781: E/AndroidRuntime(6790):     at dalvik.system.NativeStart.main(Native Method)

Device is supported (ArchitectView.isDeviceSupported returns true).

Any clues?

Thx

K. Ramesh