Why is my work disappearing before I can uncomment in lesson 1?

Tell us what’s happening:
Describe your issue in detail here.

Your code so far


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Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.51 Safari/537.36 Edg/99.0.1150.36

Challenge: Uncomment HTML

Link to the challenge:
https://www.freecodecamp.org/learn/responsive-web-design/basic-html-and-html5/uncomment-htmlPreformatted text

What do you mean? What’s going on?

When I’m done with a challenge, I’ll log out of my computer, then when I want to do the next challenge I can’t go to the next one I have to do the one I already did, before leaving all over again why? I don’t know if this matters but I stay logged in to freeCodeCamp.
Thanks.

You can select the challenge you want to do from the list of challenges

How do I move on to the next challenge lets call it. Can you see what I’m working on?

No, I can’t see what you are working on

You can click the step you want to complete from here:

Remember that to complete a step you need to press “Submit and go to next step”
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I’m doing the HTML course and when I’ve finished a lesson I have to redo the lesson again before I move on to the next one why? If there is a way to get to the new lesson do tell

OK thanks for now I’ll be back

I checked my timeline and it says I’m done with " set the font family of an element" Now how do I move on to the next lesson?

Go to the list of challenges and select the first undone challenge https://www.freecodecamp.org/learn/