Let’s break down exactly what this error means, why it is happening in 2024/2025, and how to fix it without breaking your entire mod library.
This typically happens because a minor official update (like v1.16.4) was released, but the version of CSP or CM you are using does not recognize it as a valid version. assetto corsa is obsolete v1.16.3 is required
Ensure both Steam and Content Manager either or both have this unchecked . Matching them is the key. 3. Verify Integrity of Game Files on Steam Let’s break down exactly what this error means,
Change the top version number from 1.16.4 (or whatever it currently says) to 1.16.3 . Save the file and restart Content Manager. 2. Standard Launcher Refresh Matching them is the key
It sounds like you’re hitting a version mismatch error! In the world of Assetto Corsa
If you are trying to join a multiplayer server or install a new mod in Assetto Corsa, encountering an error message stating that your game is "obsolete" and that "v1.16.3 is required" can be incredibly frustrating. This specific version number—v1.16.3—is the final official stable release of Assetto Corsa by Kunos Simulazioni.