invalid username or password

Summary:

Always showing "Invalid username or password" when I login oracle cloud.

Content (please ensure you mask any confidential information):

Try login, always showing "Invalid username or password"

Does not receive reset email.

Even if use the temporary password received through Live Chat, showing "Invalid username or password"

reset email worked in September and October.

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):