There is a problem with this in that it is not acknowledging any points scored and is stuck on 37% completed.
This is considered a "bug" so you need to do a BUG REPORT:
When you do, make sure you include details of what platform you are using, browser, operating system etc so it goes to the right person.
Sometimes this is simple a matter of a delay in syncing at the Duolingo end. When it is, you can force a sync, e.g. by going to "discuss" and immediately back to "learn" - there are multiple other ways too. Do a quick search on syncing issues and you will see all the options.