Message - We cannot reach the server to update your progress

Message - We cannot reach the server to update your progress
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Hello guys,
I’m having this message “We cannot reach the server to update your progress” for the past three weeks. What’s happening?!

If you are unable to log in it may be that you have a duplicated account. To solve this issue you will need to write to support@freecodecamp.org.

You can read more about the issue here

When are you seeing this error?
Have you tried logging out, clearing your browser cache, and logging in again?