Fatal error: Uncaught Error: Interface "ApiPlatform\State\ProcessorInterface" not found in /var/www/html/API_Forum/vendor/api-platform/symfony/State/MercureLinkProcessor.php:26 Stack trace: #0 {main} thrown in /var/www/html/API_Forum/vendor/api-platform/symfony/State/MercureLinkProcessor.php on line 26