Find the very first line indicating the version number (e.g., 1.16.4 ). Change it to and save the file.
The problems escalated with the release of new updates, which, while intended to improve the game, ended up causing more issues. One of the most significant problems was the requirement of patch v1.16.3 to play online. This patch, released in 2017, was meant to address some of the game's issues, but it ended up breaking compatibility with older versions of the game. assetto corsa is obsolete v1163 is required fix