Fatal error: Uncaught Error: Class 'Symfony\Component\DependencyInjection\Compiler\AbstractRecursivePass' not found in /var/www/alldocs/home/cmckay/cms_static/simplesamlphp_sp/vendor/symfony/dependency-injection/Compiler/ResolveReferencesToAliasesPass.php:23 Stack trace: #0 {main} thrown in /var/www/alldocs/home/cmckay/cms_static/simplesamlphp_sp/vendor/symfony/dependency-injection/Compiler/ResolveReferencesToAliasesPass.php on line 23