Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Compiler\MergeExtensionConfigurationPass" not found in /Users/m4_production_1/Sites/ipt/iptkids/vendor/symfony/http-kernel/DependencyInjection/MergeExtensionConfigurationPass.php:22 Stack trace: #0 {main} thrown in /Users/m4_production_1/Sites/ipt/iptkids/vendor/symfony/http-kernel/DependencyInjection/MergeExtensionConfigurationPass.php on line 22