Fatal error: Uncaught Error: Class 'yii\db\ActiveRecord' not found in /opt/lampp/htdocs/restaurante.apirest/modules22/core/models/PriceSheetProduct.php:6 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/restaurante.apirest/modules22/core/models/PriceSheetProduct.php on line 6