If your dlc.rpf is missing or causing game crashes (often seen as "ERR_GEN_INVALID"), you have two primary ways to fix it: 1. Official Verification (Recommended)
or single-player mods), here is the "useful story" on how to handle it: 1. Locating the File Update X64 Dlcpacks Mpchristmas2017 Dlc.rpf Download
file for this update must be located in the following directory: Grand Theft Auto V\update\x64\dlcpacks\mpchristmas2017\ 2. How to Update/Restore the File Option A: Verify Game Files (Recommended) This is the safest way to "download" a missing or corrupted file without using third-party sites. : Right-click GTA V > Properties Installed Files Verify integrity of game files Epic Games : Click the three dots (...) under GTA V in your Library > Rockstar Launcher My Installed Games Verify Integrity Option B: Manual Installation (For Modded Games) If your dlc