Fatal error: Uncaught Error: Interface "OpenTelemetry\API\Trace\SpanInterface" not found in C:\xampp\htdocs\mflux\vendor\open-telemetry\sdk\Trace\ReadWriteSpanInterface.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\mflux\vendor\open-telemetry\sdk\Trace\ReadWriteSpanInterface.php on line 9