Fatal error: Uncaught Error: Class 'yii\base\Component' not found in /var/www/html/ucetnik/vendor/robregonm/yii2-pdf/PdfResponseFormatter.php:23 Stack trace: #0 {main} thrown in /var/www/html/ucetnik/vendor/robregonm/yii2-pdf/PdfResponseFormatter.php on line 23