Plugin introduces errors

/**
private void initFunMode(){
ExecutorService executorService = Executors.newSingleThreadExecutor();
executorService.execute(new Runnable() {
@Override
public void run() {
Plugin.Loader loader = Plugin.Loader.from(getApplicationContext(),"com.snap.camerakit.plugin.v1");
Plugin.Loader.Result result = loader.load();
if (result instanceof Plugin.Loader.Result.Success){
mCameraKitFeature = ((Plugin.Loader.Result.Success)result).getPlugin();
runOnUiThread(new Runnable() {
@Override
public void run() {
mCameraKitSession = mCameraKitFeature.newSessionBuilder()
.attachTo(viewStub,false)
.configureLenses(builder -> {
builder.dispatchTouchEventsTo(viewStub);
builder.configureLoadingOverlay(configuration -> configuration.setEnabled(false));
builder.configureProcessor(configuration -> {
configuration.setUseDeviceOrientationForFaceDetection(true);
configuration.setInputFrameRotationBehavior(LensesComponent.Processor.InputFrameRotationBehavior.ASSUME_PORTRAIT_ORIENTATION);
});
builder.configureHints(configuration -> {
configuration.setEnabled(true);
configuration.setView(model -> {
if (model instanceof LensesComponent.Hints.View.Model.Displayed){
//
}
});
});
}).handleErrorsWith(new Consumer() {
@Override
public void accept(Throwable throwable) {

                                    }
                                }).build();
                        preLoadLens();
                    }
                });
            }else {
                Log.i("fail","FAILED, reason is : "+result.toString());
            }
        }
    });
}

*/