For GTA 5 PC players, few things are more frustrating than a game update breaking a carefully curated mod setup. If you are running version (also known as the Gunrunning Update era), or trying to downgrade to it for compatibility, you need the corresponding Script Hook V release to get back into action.
Installing Script Hook V is a manual process that involves placing files directly into the game's directory: 1.0.1180 script hook v