HTTP 401 indicates an authentication challenge or failure for the requested resource. It does not by itself reveal whether the account expired, credentials were entered incorrectly or a particular request lacks the expected authentication details.
Keep the full context privately
Note whether the error occurs during login, catalogue loading or playback. Those requests can use different endpoints. A screenshot should hide usernames, passwords and complete playlist links, especially when a query string contains access credentials.
Check the supplied account details
Use the server address and login issued for that account. Spaces introduced by copying and confusing similar characters can matter. Do not replace the server with one found in another person's setup guide or repeatedly submit guessed passwords.
Escalate the specific stage
If correctly entered details still fail, ask the provider to check account state and the affected endpoint. Give the app name and error time. Reinstalling software is unlikely to repair credentials rejected by the server.
