Alternatively, as suggested by Steam Community users, try to re-install or re-apply the CSP within Content Manager. Important Tips for 2026 Modding
Click . This will force Steam to download any missing v1.16.3 components. Essential Links for Assetto Corsa Users
This error often occurs when mods or external plugins (e.g., Content Manager plugins, custom apps, apps like Sol, CrewChief, Sol-compat, Custom Shaders Patch, or SRS/Assetto Corsa Competizione bridging tools) are incompatible with the current game build.
Content Manager must point directly to your main Assetto Corsa installation folder. If you moved your game to a new SSD, this path breaks. Open . assetto corsa is obsolete v1163 is required link
If you are a sim racer who enjoys modded content for Assetto Corsa , you have likely encountered one of the most infamous and confusing error messages in the community: (often accompanied by a missing or broken link).
The "v1.16.3 is required" error does not usually mean your base Steam game is outdated. Assetto Corsa received its final official PC update (v1.16.4) years ago. Instead, this error almost always stems from a communication glitch between , the Assetto Corsa Custom Shaders Patch (CSP) , and the server you are trying to join.
. It usually occurs because the game has been updated to a newer version (like v1.16.4) that the patch does not yet recognize as valid. Quick Fixes Alternatively, as suggested by Steam Community users, try
To resolve this issue and satisfy the "v1163 is required" link or error, the user must match the server's version.
Go to your Assetto Corsa root folder (usually SteamLibrary\steamapps\common\assettocorsa ). Find the file named changelog.txt .
If the game still launches and plays despite the error message, many community members recommend simply ignoring it , as it often doesn't affect actual gameplay. the latest Custom Shaders Patch? error assetto corsa is obsolete - help - Steam Community Essential Links for Assetto Corsa Users This error
Many community reports indicate that leaving this error unresolved does not cause any functional issues. However, if you experience problems launching races or with car physics, applying one of these edits is a good next step.
Ensure your Custom Shaders Patch is updated to the recommended version.
Once you have successfully downgraded to v1163, follow these tips to avoid the error recurring:
This story began years ago with the release of the final official update for the game—, also known as the Bonus Pack 3 , which added legendary content like the Laguna Seca circuit. However, as the modding community took the reins with tools like Content Manager (CM) and the Custom Shaders Patch (CSP) , a strange glitch began to haunt sim racers. The Legend of the "Obsolete" Error