Fatal error: Uncaught Error: Interface 'ApiPlatform\Core\GraphQl\Subscription\SubscriptionManagerInterface' not found in /var/www/legtux.org/users/weboconsulting/www/vendor/api-platform/core/src/Core/GraphQl/Subscription/SubscriptionManager.php:32 Stack trace: #0 {main} thrown in /var/www/legtux.org/users/weboconsulting/www/vendor/api-platform/core/src/Core/GraphQl/Subscription/SubscriptionManager.php on line 32