Fatal error: Uncaught Error: Class 'yii\base\Model' not found in /var/www/studio-10.uchetprosto.ru/template-uchet/models/bitrix/app/Client.php:9 Stack trace: #0 {main} thrown in /var/www/studio-10.uchetprosto.ru/template-uchet/models/bitrix/app/Client.php on line 9