Fatal error: Uncaught Error: Class "OpenTelemetry\API\Trace\Span" not found in /var/www/usonboard.com/vendor/open-telemetry/sdk/Trace/Span.php:19 Stack trace: #0 {main} thrown in /var/www/usonboard.com/vendor/open-telemetry/sdk/Trace/Span.php on line 19