I did the same thing on a different Lemmy instance, probably for the same reason. I just created a pull request to fix the broken instructions - pull 88.
Nothing is lost, but I'm quite sure that the instance admin will need to disable 2FA in your account for you to regain access, however I suspect that the lemmy.world admin is going to be busy for a while due to the recent exploit.
I did the same thing on a different Lemmy instance, probably for the same reason. I just created a pull request to fix the broken instructions - pull 88.
Nothing is lost, but I'm quite sure that the instance admin will need to disable 2FA in your account for you to regain access, however I suspect that the lemmy.world admin is going to be busy for a while due to the recent exploit.