Fatal error: Uncaught Error: Interface "OpenTelemetry\API\Metrics\ObservableCallbackInterface" not found in C:\xampp\htdocs\londoncityroom\vendor\open-telemetry\api\Metrics\Noop\NoopObservableCallback.php:12
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\londoncityroom\vendor\open-telemetry\api\Metrics\Noop\NoopObservableCallback.php on line 12