Game does not start.

selecting either Story Mode or Battle. the game frozen in a loop with the developer command in the under left corner saying infinitely: "NullReferenceException: Objectreferece not set to an instance of an object" this message also appeared two times when i enterede handbook but not infinitely IDK if its relevant but. on menu appear a development console windows on the under left corner saying: "NullReferenceException: Object reference not set to an instance of an object. > ChessData..ctor (System.Collec...

Playing the demo on normal because there is no easy mode, made it to the boss twice without any issue, got absolutely wrecked. Why is it SO HARD to beat the boss on the easiest mode available?! </3 Lots of fun otherwise.