Woocommerce Woozone Amazon Affiliate Plugin Fatal Error

Here's the error message:

Fatal error: Call to undefined method aaAmazonWS::set_the_plugin() in /home2/dominion314/public_html/wp-content/plugins/woozone/aa-framework/amz.helper.class.php on line 315

Here's the line code 303-316:

private function setupAmazonWS()
    {
        // load the amazon webservices client class
        require_once( $this->the_plugin->cfg['paths']['plugin_dir_path'] . '/lib/scripts/amazon/aaAmazonWS.class.php' );

        // create new amazon instance
        $this->aaAmazonWS = new aaAmazonWS(
            $this->amz_settings['AccessKeyID'],
            $this->amz_settings['SecretAccessKey'],
            $this->amz_settings['country'],
            $this->the_plugin->main_aff_id()
        );
        $this->aaAmazonWS->set_the_plugin( $this->the_plugin );
    }

via Chebli Mohamed