Find your game's official AppID by searching for the game on SteamDB.
Some games need a simple text file to tell Steam which game is trying to run. Steam is saying I don't have the license : r/PiratedGames
Independent Third-Party Software. "Scania"® is a registered trademark of Scania CV AB, Södertälje, Sweden. This software is an independent product and is not affiliated with, endorsed by, sponsored by, authorized by, or in any way connected to Scania CV AB. The name "Scania" is used solely to identify the file format and vehicle systems this software is compatible with (nominative descriptive use). All Scania trademarks, product names, and logos are the exclusive property of Scania CV AB.