If you are on a stable build, select a slightly newer or older version from the list to force CSP to reinstall itself. 4. Fix the Steam AppID Text File
If you've clicked the option to replace acs.pdb with the recommended version in Content Manager and still get error messages when starting a race, replace the acs.pdb file in your Assetto Corsa folder with a fresh copy from a working installation.
Save the file and restart Content Manager. The error message will disappear instantly. Method 3: Fix Directory Path Naming Conflicts assetto corsa is obsolete v1163 is required fix hot
Sometimes Assetto Corsa is fully updated, but the text file that tracks the version number is corrupted. You can fix this manually.
Preventive measures
When a modder creates a car, they pack it using a specific version of the Kunos editor or a third-party tool (like CSP's extended physics). If the modder packed the car using the "v1163" signature, your game report to Windows that it is running exactly that version.
The sim racing community has overwhelmingly confirmed the effectiveness of the changelog.txt edit. One user reported: "Ignore it or open changelog.txt in ac folder and change 1.16.4 back to 1.16.3. AC had a small update recently. CM doesn't understand this. Hence the error message. Your game will still work however." If you are on a stable build, select
: Ensure you are using a recent version of CSP. Newer builds often resolve compatibility issues with the latest base game versions.
Ensure it points precisely to your main installation folder. Save the file and restart Content Manager
The error " Assetto Corsa is obsolete (v1.16.3 is required)" is a common false-positive notification typically encountered by users of the Content Manager (CM) Custom Shaders Patch (CSP)