The following bug has been confirmed as of Sep 2 (JST). [list] [*] An issue causing matchmaking errors when using "Online Play" in the Steam® version. [/list] We are currently investigating this issue and will provide updates as soon as possible. We are also looking into other reports and will provide more information when available. We apologize for any inconvenience this may cause to players. Thank you for playing Umamusume: Pretty Derby – Party Dash.