Maybe someone had the same situation, I can only guess here.
You're fine with your physical presence, but it looks like we should provide up-to-date information when filling it out.
So, technically, the officer can return your application again.
1. You can forget this portal, use only the tracker.
2. In 1-2 days you can create the tracker (but email about the tracker you will get in a week). So, use this link https://tracker-suivi.apps.cic.gc.ca/en/register