Use console.error for error message

web/app/static/js/nopaque/RessourceDisplays/RessourceDisplay.js

@@ -22,7 +22,7 @@ class RessourceDisplay {
         this.patch(payload);
         break;
       default:
-        console.log(`Unknown event type: ${eventType}`);
+        console.error(`Unknown event type: ${eventType}`);
         break;
     }
   }