Fatal error: Uncaught Error: Interface "OpenTelemetry\API\Metrics\ObservableCallbackInterface" not found in /home/alotaishan/public_html/ots001/vendor/open-telemetry/sdk/Metrics/ObservableCallback.php:14 Stack trace: #0 {main} thrown in /home/alotaishan/public_html/ots001/vendor/open-telemetry/sdk/Metrics/ObservableCallback.php on line 14