Fatal error: Uncaught Error: Interface 'Symfony\Component\Config\Definition\NodeInterface' not found in /home/www/public_html/admin/shared/codeigniter/vendor/symfony/config/Definition/BaseNode.php:24 Stack trace: #0 {main} thrown in /home/www/public_html/admin/shared/codeigniter/vendor/symfony/config/Definition/BaseNode.php on line 24