Fatal error: Uncaught Error: Interface 'Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface' not found in /home/phprplacein/public_html/vendor/symfony/framework-bundle/DependencyInjection/Compiler/AddValidatorInitializersPass.php:18 Stack trace: #0 {main} thrown in /home/phprplacein/public_html/vendor/symfony/framework-bundle/DependencyInjection/Compiler/AddValidatorInitializersPass.php on line 18