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.
Your heart sinks. Is your game broken? Is the mod a scam? Does this mean you need to buy a new game? assetto corsa is obsolete v1.16.3 is required
, staying on the latest stable build (v1.16.3) is essential for server compatibility and running modern mods like CSP (Custom Shaders Patch). This typically happens because a minor official update
When launching (especially via Content Manager, modded servers, or certain online racing communities), you may encounter the message: or certain online racing communities)
Navigate to your Assetto Corsa root installation folder (usually SteamApps\common\assettocorsa ). Open the changelog.txt file.