. This usually happens after a small official update that the third-party launcher does not yet recognize. Common Fixes
Assetto Corsa is obsolete. Version 1163 required. The Feeling: You just downloaded a legendary 1967 Le Mans mod, a secret Porsche 917K physics overhaul, or a laser-scanned vintage Targa Florio track. You click “Drive.” The screen flashes red. The simulation refuses to start. You are stuck in the pits of obsolescence. assetto corsa is obsolete v1163 is required fix
is obsolete (v1.16.3 is required)" , a paradox where users running newer versions (e.g., v1.16.4) are told their game is outdated. a secret Porsche 917K physics overhaul
To properly configure CM for v1163: