Fatal error: Uncaught Error: Class 'Symfony\Component\DependencyInjection\Definition' not found in /home/phprplacein/public_html/vendor/symfony/dependency-injection/DefinitionDecorator.php:22 Stack trace: #0 {main} thrown in /home/phprplacein/public_html/vendor/symfony/dependency-injection/DefinitionDecorator.php on line 22