The "Obsolete" Bug: Why Content Manager Thinks Your Assetto Corsa is Outdated If you’ve recently fired up Content Manager only to be met with a red error shouting that your Assetto Corsa is obsolete v1.16.3 is required
Go to Settings → Content Manager → General – ensure the game path points to the correct Steam installation.
Ignore the Warning: In many cases, this error is purely cosmetic and does not prevent the game from running. You can often proceed with your race unless the game actually crashes. Additional Troubleshooting assetto corsa is obsolete v1.16.3 is required
Your heart sinks. Is your game broken? Is the mod a scam? Does this mean you need to buy a new game?
Launch Assetto Corsa directly through the Steam Library using the standard launcher. The "Obsolete" Bug: Why Content Manager Thinks Your
At first glance, this error message—often encountered when trying to join a server or launch a mod—is infuriating. It implies that your game is outdated, that you need to download a specific, older patch, and that the "current" version of the game on Steam isn't good enough. It feels like a step backward.
Here’s a write‑up explaining the error message “assetto corsa is obsolete v1.16.3 is required”, its causes, and how to fix it. Additional Troubleshooting Your heart sinks
If you have tried Fixes #1 through #3 and the error persists, the mod may be trying to phone home to an activation server that no longer exists. If the mod maker went out of business, their server is offline, and the encryption key cannot verify your v1.16.3 file.