Fatal error: Uncaught Error: Class 'app\modules\bitrix_bot\models\Chat' not found in /var/www/uchetprosto.usa-ak.com/up/modules/bitrix_bot/models/ai_bot/Chat.php:9 Stack trace: #0 {main} thrown in /var/www/uchetprosto.usa-ak.com/up/modules/bitrix_bot/models/ai_bot/Chat.php on line 9