Since a recent update to Weather-Display software the Twitter post at about midnight seems to no longer work in that it asks for manual authentication every time.
That's not going to happen so I'll probably turn it off until the issue (probably) gets resolved in further updates.
Previously I might have rolled back to an older version but there's an important change in the latest software which makes the program work normally with more secure SFTP uploads.
SFTP has been enforced by the Hosting company and otherwise needs a somewhat unreliable FTP bridge program running alongside WD.