Fatal error: Uncaught Error: Class 'Sabberworm\CSS\Value\PrimitiveValue' not found in C:\xampp\htdocs\reservation\vendor\sabberworm\php-css-parser\src\Value\CSSString.php:11 Stack trace: #0 {main} thrown in C:\xampp\htdocs\reservation\vendor\sabberworm\php-css-parser\src\Value\CSSString.php on line 11