When entering the game it tries to log in using my Steam account and after ~1 minute trying fails with “Player initialization failed / An unknown error has occured”. Restarting game/Windows or reinstalling game hasn’t helped.
It’s quite possible this is because of our authorities (I live in Russia) declaring war on Telegram and banning thousands of AWS and GCP and other cloud hosting IP ranges.
Last time I successfully logged into Battleborn is several days ago. Other Steam games using Steam account for authorization (Smite, Paladins, Wildstar) work OK so this seems to be not a Steam-related problem.