Fatal error: Uncaught Error: Class "Svg\Tag\Shape" not found in C:\xampp\htdocs\vendor\phenx\php-svg-lib\src\Svg\Tag\Polygon.php:11 Stack trace: #0 {main} thrown in C:\xampp\htdocs\vendor\phenx\php-svg-lib\src\Svg\Tag\Polygon.php on line 11