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Contents

Sims 3 Unofficial Game Modification Error

Problem

When running the game, you get an error that comes up when the game has loaded, saying:

Unofficial Game Modification Error.png


Causes and Solutions

This error can be triggered by one of several causes:

1. If you currently have a core mod installed (such as Awesomemod), the base game patch version of the mod does not match the base game patch version you have. Whenever you patch your game, you need to check for updated versions of all mods you use (not only core mods, but also script mods, xml tuning mods, ini mods, etc.). Make sure to delete your cache files after removing them to ensure they're completely gone.

2. If you do not have any mods installed whatsoever, something may have gone wrong in the patching. Backup your game and then uninstall and reinstall, first installing the base game and patching it fully before installing any expansions.

3. You are using a no-cd or no-dvd crack. Remove the crack and play with the game disk. If you do not have a game disk, buy the game and get one.

4. If it's none of the above, then the game is just being stupid for no particular reason, and as long as you can tell it to continue past the message and play the game and don't experience any major errors, don't worry about it.


Sims 3 Game Help Categories:

Custom Content  | Installation  | Gameplay Guides  | Technical & Graphics Issues  | Miscellaneous Issues

MTS Help Q&A Forums