Fatal error: Uncaught Error: Class 'Symfony\Component\CssSelector\Tests\Parser\Handler\AbstractHandlerTest' not found in C:\xampp\htdocs\print\vendor\symfony\css-selector\Tests\Parser\Handler\WhitespaceHandlerTest.php:17 Stack trace: #0 {main} thrown in C:\xampp\htdocs\print\vendor\symfony\css-selector\Tests\Parser\Handler\WhitespaceHandlerTest.php on line 17