Sims 4 Error Code 135:f620ebc:30831aec: How to Fix It (November 2026)

Last updated: November 3, 2026. Steps checked against the current app and official help pages.

The code 135:f620ebc:30831aec (often written without colons as 135f620ebc30831aec) is a Sims 4 error report code. Players see it when a save, travel or build action fails. Sims 4 codes in this long format come from the game automatic error reports, and the usual cause is a broken mod, custom content or a damaged save.

What Does Sims 4 Error 135:f620ebc:30831aec Mean?

The numbers point to the internal place in the game code where the error happened. EA does not publish meanings for these codes, so the fix is standard Sims 4 troubleshooting.

Quick Fix for Sims 4 Error 135:f620ebc:30831aec

Back up your Saves and Mods folders.
Delete localthumbcache.package in Documents/Electronic Arts/The Sims 4.
Move the Mods folder out and test the game.
Repair the game in the EA app.

Common Causes

Outdated mods or script mods after a patch
Broken custom content
Damaged save file
Damaged game files

How to Fix Sims 4 Error 135:f620ebc:30831aec Step by Step

1. Back up first

2. Clear cache

Delete localthumbcache.package.

3. Test with no mods

If the error stops, find the bad mod with the 50/50 method.

4. Update mods

Get the latest version of each script mod from the creator.

5. Repair the game

EA app, The Sims 4, Manage, Repair.

6. Try an older save

Still Not Working?

Post the code on the official EA Sims 4 bug reports forum with your mod list.

Related Guides

Sims 4 error B31F

FAQ

Is 135f620ebc30831aec the same code?

Yes, just written without the colons.

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