Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Kernel' not found in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\symfony\framework-bundle\Tests\Command\CacheClearCommand\Fixture\TestAppKernel.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\symfony\framework-bundle\Tests\Command\CacheClearCommand\Fixture\TestAppKernel.php on line 20