I can't login to my admin account in my Mac

Did you forget your login password?

Please refer to Reset your Mac login password - Apple Support.

Your Apple ID can be used to reset a login password. Refer to If you forgot your Apple ID password - Apple Support.

I have the correct password - I even reset it to verify. I think the problem is my username itself. When the login window pops up, the username isn't autofilled. I unsuccessfully tried to change my username yesterday, which is when this problem started. Unfortunately, I am unable to log in again to make further changes. Please help!

Because of what? Password, unable to boot, user not appearing?

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