Fatal error: Uncaught Error: Interface 'React\Promise\PromiseInterface' not found in /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Libraries/react/promise/src/Promise.php:11 Stack trace: #0 {main} thrown in /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Libraries/react/promise/src/Promise.php on line 11