Unknown Property – yii\base\UnknownPropertyException

    public function __get($name)
    {
        if ($this->has($name)) {
            return $this->get($name);
        }
 
        return parent::__get($name);
    }
 
    /**
     * Checks if a property value is null.
     * This method overrides the parent implementation by checking if the named component is loaded.
     * @param string $name the property name or the event name

    {
        $_obInitialLevel_ = ob_get_level();
        ob_start();
        ob_implicit_flush(false);
        extract($_params_, EXTR_OVERWRITE);
        try {
            require $_file_;
            return ob_get_clean();
        } catch (\Exception $e) {
            while (ob_get_level() > $_obInitialLevel_) {
                if (!@ob_end_clean()) {
                    ob_clean();
                }

                    $this->renderers[$ext] = Yii::createObject($this->renderers[$ext]);
                }
                /** @var ViewRenderer $renderer */
                $renderer = $this->renderers[$ext];
                $output = $renderer->render($this, $viewFile, $params);
            } else {
                $output = $this->renderPhpFile($viewFile, $params);
            }
            $this->afterRender($viewFile, $params, $output);
        }
 
        array_pop($this->_viewFiles);
        $this->context = $oldContext;

     * @since 2.0.1
     */
    public function renderContent($content)
    {
        $layoutFile = $this->findLayoutFile($this->getView());
        if ($layoutFile !== false) {
            return $this->getView()->renderFile($layoutFile, ['content' => $content], $this);
        }
 
        return $content;
    }
 
    /**

     * @return string the rendering result.
     * @throws InvalidArgumentException if the view file or the layout file does not exist.
     */
    public function render($view, $params = [])
    {
        $content = $this->getView()->render($view, $params, $this);
        return $this->renderContent($content);
    }
 
    /**
     * Renders a static string by applying a layout.
     * @param string $content the static string being rendered
     * @return string the rendering result of the layout with the given static string as the `$content` variable.

        $args = $this->controller->bindActionParams($this, $params);
        Yii::debug('Running action: ' . get_class($this->controller) . '::' . $this->actionMethod . '()', __METHOD__);
        if (Yii::$app->requestedParams === null) {
            Yii::$app->requestedParams = $args;
        }
 
        return call_user_func_array([$this->controller, $this->actionMethod], $args);
    }
}

        }
 
        $result = null;
 
        if ($runAction && $this->beforeAction($action)) {
            // run the action
            $result = $action->runWithParams($params);
 
            $result = $this->afterAction($action, $result);
 
            // call afterAction on modules
            foreach ($modules as $module) {
                /** @var Module $module */

        $parts = $this->createController($route);
        if (is_array($parts)) {
            /** @var Controller $controller */
            list($controller, $actionID) = $parts;
            $oldController = Yii::$app->controller;
            Yii::$app->controller = $controller;
            $result = $controller->runAction($actionID, $params);
            if ($oldController !== null) {
                Yii::$app->controller = $oldController;
            }
 
            return $result;
        }

            $params = $this->catchAll;
            unset($params[0]);
        }
        try {
            Yii::debug("Route requested: '$route'", __METHOD__);
            $this->requestedRoute = $route;
            $result = $this->runAction($route, $params);
            if ($result instanceof Response) {
                return $result;
            }
 
            $response = $this->getResponse();
            if ($result !== null) {

    {
        try {
            $this->state = self::STATE_BEFORE_REQUEST;
            $this->trigger(self::EVENT_BEFORE_REQUEST);
 
            $this->state = self::STATE_HANDLING_REQUEST;
            $response = $this->handleRequest($this->getRequest());
 
            $this->state = self::STATE_AFTER_REQUEST;
            $this->trigger(self::EVENT_AFTER_REQUEST);
 
            $this->state = self::STATE_SENDING_RESPONSE;
            $response->send();