Fatal error: Uncaught Error: Interface "OpenTelemetry\SDK\Metrics\StalenessHandlerInterface" not found in C:\xampp\htdocs\ducev\vendor\open-telemetry\sdk\Metrics\StalenessHandler\NoopStalenessHandler.php:14 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ducev\vendor\open-telemetry\sdk\Metrics\StalenessHandler\NoopStalenessHandler.php on line 14