Thanks for writing in!
Apologies for inconvenience here.
As the enterprise cloud account is under maintenance due to some fault caused by intruder activity.
So, I recommend you to please create a new trial account.
Log out from your current IBM cloud account.
Clear your browser's cache and cookies.
Go to this section in the course you're taking -
Activate Trial Account
Open it and click " Activate your trial" it will redirect you to IBM cloud signup page then signup with a new Gmail ID and feature code should be already applied.
Once the account is created try doing the lab again.
Let me know if you still face any issues . Also share the screenshot with the new Gmail ID through which you're trying. So that I can assist you better.
Hope it helps!