Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Kernel" not found in /home/teranbyt/public_html/invoice/vendor/liuggio/ExcelBundle/Tests/app/AppKernel.php:6 Stack trace: #0 {main} thrown in /home/teranbyt/public_html/invoice/vendor/liuggio/ExcelBundle/Tests/app/AppKernel.php on line 6