Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Kernel' not found in /home/lafaamicps/www/symfony/vendor/symfony/assetic-bundle/Tests/TestKernel.php:17 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/symfony/assetic-bundle/Tests/TestKernel.php on line 17