While there isn't a single official "paper," several highly regarded community tools serve as the definitive "save editors" for Fallout 4 on PC. The most effective options focus on cleaning corrupted script data or managing multiple character profiles. Top Fallout 4 Save Editors & Tools
If you are using a save file from another player, ensure your game version matches the save version, and check if specific DLCs or mods are required for that save to load correctly. Tools like fallout 4 save editor pc new