PHP Notice – yii\base\ErrorException

    {
        $_obInitialLevel_ = ob_get_level();
        ob_start();
        ob_implicit_flush(false);
        extract($_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 $renderer ViewRenderer */
                $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;

     * @throws InvalidCallException if the view cannot be resolved.
     * @see renderFile()
     */
    public function render($view, $params = [], $context = null)
    {
        $viewFile = $this->findViewFile($view, $context);
        return $this->renderFile($viewFile, $params, $context);
    }
 
    /**
     * Finds the view file based on the given view name.
     * @param string $view the view name or the [path alias](guide:concept-aliases) of the view file. Please refer to [[render()]]
     * on how to specify this parameter.

        } elseif (is_string($this->itemView)) {
            $content = $this->getView()->render($this->itemView, array_merge([
                'model' => $model,
                'key' => $key,
                'index' => $index,
                'widget' => $this,
            ], $this->viewParams));
        } else {
            $content = call_user_func($this->itemView, $model, $key, $index, $this);
        }
        if ($this->itemOptions instanceof Closure) {
            $options = call_user_func($this->itemOptions, $model, $key, $index, $this);
        } else {

        foreach (array_values($models) as $index => $model) {
            $key = $keys[$index];
            if (($before = $this->renderBeforeItem($model, $key, $index)) !== null) {
                $rows[] = $before;
            }
 
            $rows[] = $this->renderItem($model, $key, $index);
 
            if (($after = $this->renderAfterItem($model, $key, $index)) !== null) {
                $rows[] = $after;
            }
        }
 

    public function renderSection($name)
    {
        switch ($name) {
            case '{summary}':
                return $this->renderSummary();
            case '{items}':
                return $this->renderItems();
            case '{pager}':
                return $this->renderPager();
            case '{sorter}':
                return $this->renderSorter();
            default:
                return false;

     * Runs the widget.
     */
    public function run()
    {
        if ($this->showOnEmpty || $this->dataProvider->getCount() > 0) {
            $content = preg_replace_callback("/{\\w+}/", function ($matches) {
                $content = $this->renderSection($matches[0]);
 
                return $content === false ? $matches[0] : $content;
            }, $this->layout);
        } else {
            $content = $this->renderEmpty();
        }

    {
        if ($this->showOnEmpty || $this->dataProvider->getCount() > 0) {
            $content = preg_replace_callback("/{\\w+}/", function ($matches) {
                $content = $this->renderSection($matches[0]);
 
                return $content === false ? $matches[0] : $content;
            }, $this->layout);
        } else {
            $content = $this->renderEmpty();
        }
 
        $options = $this->options;
        $tag = ArrayHelper::remove($options, 'tag', 'div');

        try {
            /* @var $widget Widget */
            $config['class'] = get_called_class();
            $widget = Yii::createObject($config);
            $out = '';
            if ($widget->beforeRun()) {
                $result = $widget->run();
                $out = $widget->afterRun($result);
            }
        } catch (\Exception $e) {
            // close the output buffer opened above if it has not been closed already
            if (ob_get_level() > 0) {
                ob_end_clean();

    {
        $_obInitialLevel_ = ob_get_level();
        ob_start();
        ob_implicit_flush(false);
        extract($_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 $renderer ViewRenderer */
                $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;

     * @throws InvalidCallException if the view cannot be resolved.
     * @see renderFile()
     */
    public function render($view, $params = [], $context = null)
    {
        $viewFile = $this->findViewFile($view, $context);
        return $this->renderFile($viewFile, $params, $context);
    }
 
    /**
     * Finds the view file based on the given view name.
     * @param string $view the view name or the [path alias](guide:concept-aliases) of the view file. Please refer to [[render()]]
     * on how to specify this parameter.

     * These parameters will not be available in the layout.
     * @return string the rendering result.
     * @throws InvalidParamException 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

        $args = $this->controller->bindActionParams($this, $params);
        Yii::trace('Running action: ' . get_class($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::trace("Route requested: '$route'", __METHOD__);
            $this->requestedRoute = $route;
            $result = $this->runAction($route, $params);
            if ($result instanceof Response) {
                return $result;
            } else {
                $response = $this->getResponse();
                if ($result !== null) {
                    $response->data = $result;

        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();