Many players report that simply clicking "Ignore" or pressing past the error box allows the game to function flawlessly with all active mods, as the version error is purely cosmetic. If you'd like to troubleshoot further, tell me: What are you running?
If you are seeing the error message while using Content Manager (CM) or Custom Shaders Patch (CSP) , you aren't alone. This common technical hiccup often occurs when there is a mismatch between the game's actual version and what Content Manager expects to see.
The error you are seeing originates from a protective feature within some high-end mods (often encrypted mods from professional creators like RSS, VRC, or URD). These mods contain a script that checks the game’s version number. If the reported version does not exactly match , the mod refuses to work.
Great. Read on. Your problem is almost certainly a configuration issue, not a game issue. assetto corsa is obsolete v1.16.3 is required fix
: Find the file named changelog.txt and open it with Notepad.
Once done, launch the vanilla game (not Content Manager) once, just to confirm it works. Then close it.
The custom launcher looking at the wrong folder. Many players report that simply clicking "Ignore" or
Look at your active version. Select an older stable release (like 0.1.79 ) from the list to trigger a downgrade.
Open Content Manager
Steam might have failed to download a minor patch, or a mod may have overwritten core files. Completely close and Steam . Relaunch Steam as an Administrator. Go to your Library and right-click Assetto Corsa . Select Properties > Installed Files . Click Verify integrity of game files . Wait for Steam to scan and replace missing data. 2. Update Content Manager and CSP This common technical hiccup often occurs when there
Manually overriding the text log file forces Content Manager to bypass its version verification check. Open your .
How to Fix the " Assetto Corsa is Obsolete (v1.16.3 is Required)" Error
– This is the most common cause for legitimate users. Content Manager allows you to emulate different game versions for compatibility reasons. If you accidentally set this to an old version (e.g., v1.11), the mod sees that and throws the error.
The primary cause is a text mismatch between the game's official changelog.txt and what Content Manager reads to determine the game's version. When Kunos Simulazioni pushed minor administrative or language updates to Steam, it altered the game version string to 1.16.4 , causing older CSP versions to flag the game as unrecognized or "obsolete". Method 1: The Quick Changelog Fix
Find the very first line (the latest version entry). It likely says v1.16.4 . Change that number to and save the file. Restart Content Manager.