Fatal error: Uncaught Error: Interface "OpenTelemetry\API\Metrics\ObserverInterface" not found in C:\xampp\htdocs\mflux\vendor\open-telemetry\sdk\Metrics\MetricRegistry\MultiObserver.php:15
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\mflux\vendor\open-telemetry\sdk\Metrics\MetricRegistry\MultiObserver.php on line 15