change $this->data to $this->request->data.
change $this->data to $this->request->data.

delkyd/croogo,rakeshtembhurne/croogo,rchavik/croogo,Wouter0100/croogo,rakeshtembhurne/croogo,xintesa/croogo,delkyd/croogo,rakeshtembhurne/croogo,delkyd/croogo,xintesa/croogo,cvo-technologies/croogo,cvo-technologies/croogo,damien-biasotto/croogo,cvo-technologies/croogo,xintesa/croogo,damien-biasotto/croogo,rchavik/croogo,Wouter0100/croogo,Wouter0100/croogo