If editing the text doesn't work, some users have success by changelog.txt changelog.txt.bak
: Look at the very top entry. If it says 1.16.4 or 1.16 , change it to exactly 1.16.3 . assetto corsa is obsolete v1.16.3 is required fix
This error is highly frustrating because it often appears even when you are running a legally owned, fully updated copy of Assetto Corsa on Steam . This guide explains why this version mismatch occurs and provides step-by-step methods to resolve it. Why Does This Error Occur? If editing the text doesn't work, some users
Steam shows the latest version as , but many mods specifically look for the string 1.16.3 . Changing the text in changelog.txt does not "downgrade" your game; it simply satisfies the mod's version check. If you'd like, let me know: Are you using Content Manager or the vanilla launcher ? Did this happen right after installing a specific mod ? Does the game crash to desktop , or just show this warning? This guide explains why this version mismatch occurs
For more in-depth troubleshooting, I can check if your version of Content Manager is fully updated or check for incompatible mods. Share public link
: In Content Manager, go to Settings > Custom Shaders Patch > About & Updates and ensure you are running a stable version of the patch.
Content Manager searches for the string "1.16.3" inside your game directory logs. If a minor update changed this file to "1.16.4" or another variant, the program flags it as an obsolete build.