Security Key 2FA Doesn't work with Yubikeys/Windows

Hi, I just added Yubikey authentication to my account, and was very close to locking myself (thankfully I had the app on my phone and that session hadn’t expired).

When authenticating with my key it error’d multiple times when trying to authenticate with the following messages:
When first trying it:
When Retrying it:

Windows 10 Home (Version: 2004)
Firefox (88.0 64 bit)
Yubikey 5 NFC & USB