You have an older version of the game and need the updated executable to match the latest DLCs (like the Season of Infamy).
In response to the "Batman: Arkham Knight crack only" incident, game developers have taken steps to enhance their anti-piracy measures. Some of these measures include: batman: arkham knight crack only
Buying the game through official channels supports the developers and provides access to updates and support. You have an older version of the game