Fatal error: Interface 'Symfony\Component\HttpKernel\HttpKernelInterface' not found in /var/www/html/dev/spa/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpKernel.php on line 34

Call Stack:
    0.0008     278816   1. {main}() /var/www/html/dev/spa/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpKernel.php:0