Update exporters/prometheus/exporter.go

Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>

exporters/prometheus/exporter.go

@@ -395,7 +395,13 @@ func validateMetrics(name, description string, metricType *dto.MetricType, mfs m
 		return false, emf.GetHelp()
 	}
 	if emf.GetType() != *metricType {
-		global.Info(fmt.Sprintf("the type %q of instrument %q conflicts with existing type %q, drop the new one. Please use a view that selects this instrument, and rename to a different name", *metricType, name, emf.GetType()))
+		global.Error(
+			errors.New("instrument type conflict"),
+			"Using existing type definition.",
+			"instrument", name,
+			"existing", emf.GetType(),
+			"dropped", *metricType,
+		)
 		return true, ""
 	}
 	return false, ""