Fatal error: Uncaught Error: Interface "Amp\Sync\KeyedSemaphore" not found in /var/www/dev2/data/www/dev2.crosshub.ru/premium-fitness/vendor/amphp/sync/src/KeyedMutex.php:11 Stack trace: #0 {main} thrown in /var/www/dev2/data/www/dev2.crosshub.ru/premium-fitness/vendor/amphp/sync/src/KeyedMutex.php on line 11