Old data can "stick" to your game even after an update, causing the UI to display outdated or missing strings. Navigate to Documents > Electronic Arts > The Sims 4 . Delete the localthumbcache.package file.

Check for new versions of UI Cheats and MCCC.

💡 Always back up your Saves folder before performing a repair or moving mods. Better safe than sorry! If you're still seeing issues, let me know: Is the text completely missing or replaced by "DEBUG" ? Do you play in English or another language? Did this start after a specific update or mod installation?

Add your mods back in small batches until the "DEBUG" text reappears. Update Your Translation Files

Start the game. If the strings are fixed, a mod was the problem.

Many creators release separate "String" packages for different languages. If you play in a language other than English (like Spanish, French, or Russian), ensure you have downloaded the latest translation file for your specific mods. Method 4: Modding Tools for Advanced Fixes

The Sims 4 is a global phenomenon, but nothing breaks the immersion faster than seeing technical jargon like "DEBUG" or blank bubbles where interaction text should be. These "string" errors usually happen after a game update or when using outdated mods.

If your Sims are speaking Simlish but your menus are speaking gibberish, here is the comprehensive guide to fixing Sims 4 language strings. Why Language Strings Break

Wait for the app to verify all game files. This will replace any missing or corrupted language files. For Steam Users: Right-click in your Steam Library. Select Properties > Installed Files . Click Verify integrity of game files . Method 2: Clearing the Cache