Drag your original packagedefinition.txt file and drop it directly onto the PackageDefinitionPratcher.exe icon.
At its core, Hitman 3 stores its game assets (models, textures, sounds, scripts) inside large files known as RPKG files. When you install a mod, you are typically adding or modifying these RPKG files. hitman 3 package definition patcher better
If you can tell me (like Simple Mod Framework or a previous version), I can provide more specific troubleshooting steps . Drag your original packagedefinition