Fatal error: Uncaught Error: Interface "OpenTelemetry\API\Metrics\ObserverInterface" not found in /home/alotaishan/public_html/ots001/vendor/open-telemetry/sdk/Metrics/MetricRegistry/MultiObserver.php:15 Stack trace: #0 {main} thrown in /home/alotaishan/public_html/ots001/vendor/open-telemetry/sdk/Metrics/MetricRegistry/MultiObserver.php on line 15