Hi g.g._134, hope you're doing well. I’m Ian, and I’m happy to help you today.
You can try after 24 hours to see if this is a temporary locked.
If your account was been blocked/locked you can follow the steps in the article below to unlock it.
https://support.microsoft.com/topic/unblock-my-...
This is a user-to-user support forum and I am a fellow user.
I hope this helps, but please let me know if you need anything else.