yii\base\ErrorException

1. in /home/salehmohsen/public_html/_protected/frontend/controllers/SiteController.php at line 128

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        $query->addParams([':cat' => $cat->id]);
        $poems = $query->all();
        $cats = \backend\models\Category::getAllParents();
        return $this->render('category', ['cat' => $cat, 'poems' => $poems, 'cats' => $cats,]);
    }
 
    public function actionPoemdetails($slug) {
        $poem = \backend\models\Poems::find()->where(['slug' => $slug])->one();
        $cat = \backend\models\Category::find()->where(['id' => $poem->cat_id])->one();
        $related = \backend\models\Poems::find()->orderBy([
                    'meladi_date' => SORT_DESC,
                ])->where(['cat_id' => $cat->id])->all();
        $model = new \backend\models\Poems();
        return $this->render('poemdetails', ['poem' => $poem, 'cat' => $cat, 'related' => $related, 'model' => $model]);
    }
 
    public function actionAudios() {
        $audios = \backend\models\Audios::find()->all();

2. in /home/salehmohsen/public_html/_protected/frontend/controllers/SiteController.php at line 128 – yii\base\ErrorHandler::handleError(8, 'Trying to get property of non-ob...', '/home/salehmohsen/public_html/_p...', 128, ...)

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        $cats = \backend\models\Category::getAllParents();
        return $this->render('category', ['cat' => $cat, 'poems' => $poems, 'cats' => $cats,]);
    }
 
    public function actionPoemdetails($slug) {
        $poem = \backend\models\Poems::find()->where(['slug' => $slug])->one();
        $cat = \backend\models\Category::find()->where(['id' => $poem->cat_id])->one();
        $related = \backend\models\Poems::find()->orderBy([
                    'meladi_date' => SORT_DESC,
                ])->where(['cat_id' => $cat->id])->all();
        $model = new \backend\models\Poems();
        return $this->render('poemdetails', ['poem' => $poem, 'cat' => $cat, 'related' => $related, 'model' => $model]);
    }

3. frontend\controllers\SiteController::actionPoemdetails('��-��-��-��...')

4. in /home/salehmohsen/public_html/_protected/vendor/yiisoft/yii2/base/InlineAction.php at line 55 – call_user_func_array([frontend\controllers\SiteController, 'actionPoemdetails'], ['��-��-��-��...'])

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        $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);
    }
}

5. in /home/salehmohsen/public_html/_protected/vendor/yiisoft/yii2/base/Controller.php at line 154 – yii\base\InlineAction::runWithParams(['slug' => '��-��-��-��...'])

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        }
 
        $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 */

6. in /home/salehmohsen/public_html/_protected/vendor/yiisoft/yii2/base/Module.php at line 454 – yii\base\Controller::runAction('poemdetails', ['slug' => '��-��-��-��...'])

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        $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, $params);
            Yii::$app->controller = $oldController;
 
            return $result;
        } else {
            $id = $this->getUniqueId();
            throw new InvalidRouteException('Unable to resolve the request "' . ($id === '' ? $route : $id . '/' . $route) . '".');

7. in /home/salehmohsen/public_html/_protected/vendor/yiisoft/yii2/web/Application.php at line 84 – yii\base\Module::runAction('site/poemdetails', ['slug' => '��-��-��-��...'])

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            $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;

8. in /home/salehmohsen/public_html/_protected/vendor/yiisoft/yii2/base/Application.php at line 375 – yii\web\Application::handleRequest(yii\web\Request)

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        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();

9. in /home/salehmohsen/public_html/index.php at line 23 – yii\base\Application::run()

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    require(__DIR__ . '/_protected/common/config/main-local.php'),
    require(__DIR__ . '/_protected/frontend/config/main.php'),
    require(__DIR__ . '/_protected/frontend/config/main-local.php')
);
 
$application = new yii\web\Application($config);
$application->run();

PHP Notice – yii\base\ErrorException

Trying to get property of non-object