
System.FormatException: The input is not a valid Base-64 string as it contains a non-base 64 character, more than two padding characters, or an illegal character among the padding characters. 08:59:55.513 +00:00 The input is not a valid Base-64 string as it contains a non-base 64 character, more than two padding characters, or an illegal character among the padding characters. When we try to add a 2FA yubikey 5C the our self hosted installation returns a 500 on /api/two-factor/yubikey.
