Changing full name in netplwiz broke my Microsoft account

[Brycero]

I have two accounts on my PC, a Microsoft account I use daily, and a local administrator account. I recently (very foolishly) changed my Microsoft account's "full name" in netplwiz, not understanding what I was doing, and now I cannot log in to the account. It does not appear on the lock screen, settings, or control panel. My files are still intact and I can still see it in netplwiz. Is there any way to fix this without creating a new account?

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