Fatal error: Uncaught Error: Class "Svg\Tag\AbstractTag" not found in C:\xampp\htdocs\vendor\dompdf\php-svg-lib\src\Svg\Tag\LinearGradient.php:14 Stack trace: #0 {main} thrown in C:\xampp\htdocs\vendor\dompdf\php-svg-lib\src\Svg\Tag\LinearGradient.php on line 14