forgot vault password. can I get a onetime passcode?

Norton Security | Norton Internet Security
1

I started to change vault password by making a small change in old password and got distracted.

2

Only you know your vault password.

3

Sorry, all my verbose messages are:

Oops! That page doesn’t exist or is private.

4

The one time passcodes are not handed out when you need one. You need to download those when you set up your vault.
Your only options now are using the information in the link provided by bjm_.