Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Compiler\MergeExtensionConfigurationPass" not found in /usr/home/wzhuxu/domains/tc.zhu.ddns-ip.net/public_html/vendor/symfony/http-kernel/DependencyInjection/MergeExtensionConfigurationPass.php:22
Stack trace:
#0 {main}
  thrown in /usr/home/wzhuxu/domains/tc.zhu.ddns-ip.net/public_html/vendor/symfony/http-kernel/DependencyInjection/MergeExtensionConfigurationPass.php on line 22