  Oct 13 17:19:53 First-iOS-6-iPad TestSample[2565] <Warning>: [ERROR] Invalid type passed to function. expected: NSString, was: NSNull  in -[AppModule fireSystemEvent:] (AppModule.m:423)
  Oct 13 17:19:53 First-iOS-6-iPad TestSample[2565] <Warning>: [WARN] Exception in event callback. {
	    line = 42;
	    message = "Invalid type passed to function. expected: NSString, was: NSNull  in -[AppModule fireSystemEvent:] (AppModule.m:423)";
	    sourceId = 78448896;
	    sourceURL = "file://localhost/var/mobile/Applications/571D9F1E-259F-4CC7-BCA2-60D13F474E64/TestSample.app/app.js";
	}
  Oct 13 17:20:02 First-iOS-6-iPad voiced[2561] <Warning>: _BeginSpeaking: couldn't begin playback
  Oct 13 17:20:02 First-iOS-6-iPad TestSample[2565] <Warning>: [ERROR] Invalid type passed to function. expected: NSString, was: NSNull  in -[AppModule fireSystemEvent:] (AppModule.m:423)
  Oct 13 17:20:02 First-iOS-6-iPad TestSample[2565] <Warning>: [WARN] Exception in event callback. {
	    line = 34;
	    message = "Invalid type passed to function. expected: NSString, was: NSNull  in -[AppModule fireSystemEvent:] (AppModule.m:423)";
	    sourceId = 78448896;
	    sourceURL = "file://localhost/var/mobile/Applications/571D9F1E-259F-4CC7-BCA2-60D13F474E64/TestSample.app/app.js";
	}
Oct 13 17:20:02 First-iOS-6-iPad TestSample[2565] <Warning>: [ERROR] Invalid type passed to function. expected: NSString, was: NSNull  in -[AppModule fireSystemEvent:] (AppModule.m:423)
Oct 13 17:20:02 First-iOS-6-iPad TestSample[2565] <Warning>: [WARN] Exception in event callback. {
	    line = 34;
	    message = "Invalid type passed to function. expected: NSString, was: NSNull  in -[AppModule fireSystemEvent:] (AppModule.m:423)";
	    sourceId = 78448896;
	    sourceURL = "file://localhost/var/mobile/Applications/571D9F1E-259F-4CC7-BCA2-60D13F474E64/TestSample.app/app.js";
	}