Space Engineers World Won’t Load: Fixing Sector Could Not Be Loaded

If your Space Engineers world won’t load and you see the error “Sector could not be loaded,â€� it usually means the game cannot read the save file’s sector data correctly. This fix involves verifying file integrity, clearing corrupted cache, and checking mods or blueprints that may be interfering. Below is a step-by-step guide to get your world back.

What Does “Sector Could Not Be Loaded� Mean?

In Space Engineers, each save file contains a set of “sectors� that store the positions and states of all blocks, ships, asteroids, and player data. When the game tries to load a world, it reads these sector files from the save folder. The error appears when the game encounters a file that is missing, corrupted, or incompatible with the current game version. This can happen after a game update, a crash during saving, or when a mod or blueprint references content that no longer exists.

Common Causes of the Error

• Corrupted save file: A power loss or forced shutdown while saving can leave the sector data incomplete.
• Outdated mods: Mods that add blocks or scripts may break after a game update, causing the sector to reference missing items.
• Incompatible game version: Loading a save from a newer or older version of the game than the one you are running can cause sector parsing errors.
• File permission issues: The game may not have write access to the save folder, preventing proper loading.
• Antivirus interference: Some security software can lock or quarantine game files, making them unreadable.

Step-by-Step Fixes to Try

Work through these in order, as the first solution is the most common and least invasive.

1. Verify Game Files on Steam

Corrupted game files (not the save) can also cause sector loading issues. To fix this:

1. Open Steam and go to your Library.
2. Right-click Space Engineers and select Properties.
3. Go to the Local Files tab and click Verify Integrity of Game Files.
4. Wait for the process to finish (this can take several minutes) and then try loading the world again.

2. Remove or Disable Mods

If you have mods enabled, they are a frequent culprit. To test:

1. From the main menu, go to Mods and disable all mods.
2. Try loading the world. If it loads, re-enable mods one by one to find the problematic one.
3. If the world still fails, you may need to remove the mod from the save file entirely (see advanced fixes below).

3. Clear the Cache and Temporary Files

The game’s cache can become corrupted. Navigate to the game’s installation folder (usually C:\Program Files (x86)\Steam\steamapps\common\SpaceEngineers) and delete the cache folder. Also, go to %AppData%\SpaceEngineers and delete the Storage folder (this will not delete your saves, but it will reset some settings). Then restart the game.

4. Check File Permissions and Antivirus

Ensure that the game has read/write access to its save folder. Right-click the SpaceEngineers folder in %AppData%, go to Properties > Security, and make sure your user account has full control. Also, add the game’s executable and the save folder to your antivirus’s exclusion list, as some programs can block file access.

5. Use the Backup Save

Space Engineers automatically creates a backup of your world each time you save. To use it:

1. Go to %AppData%\SpaceEngineers\Saves and open the folder with your Steam ID.
2. Find your world folder (it has a name like WorldName_123456789).
3. Inside, you’ll see a Backup subfolder. Copy the most recent backup file and replace the current Sandbox.sbc file in the main world folder.

6. Repair the Save File Manually (Advanced)

If backups don’t work, you can try to repair the save by editing the Sandbox.sbc file. This is risky and should be done with a copy of the file. Open the file with a text editor (like Notepad++) and look for any XML errors. A common fix is to remove any references to missing mods or blocks. However, this requires some familiarity with modding and XML.

What to Do If Nothing Works

If none of the above fixes work, the save file may be irreparably damaged. In that case, you can:

• Start a new world and use the Blueprint system to copy your ships and stations from the broken world (if you can load it in creative mode).
• Check the Space Engineers forums or subreddit for community tools that might recover the file, but be cautious with third-party tools.
• If the error occurs on a dedicated server, contact the server admin—they may have backups or can reset the sector.

Preventing Future Loading Issues

• Always exit the game properly and wait for the save to complete before closing.
• Keep mods updated and remove any that are no longer maintained.
• Regularly back up your save folder manually (copy the Saves folder to another location).
• After a major game update, consider starting a new world or testing your save in a backup copy first.

Frequently Asked Questions

Will I lose my world if I delete the cache folder?

No, deleting the cache folder only removes temporary files that the game regenerates. Your save files are in a separate location and will not be affected.

Can I load a world that was created in an older version of the game?

Generally, yes, but sometimes older saves may have issues after major updates. If you encounter the error, try loading the world in the same version it was created in (via Steam’s beta branches) and then save it again in the new version.

Why does the error only happen with modded worlds?

Mods can add new block types, scripts, or alter the game’s behavior. If a mod is outdated or conflicts with the game version, the save file may reference content that no longer exists, causing the sector to fail to load.

Is there a way to extract my ships from a broken save?

Yes, if you can open the world in creative mode (even if it’s just the world’s menu), you can use the blueprint tool to copy ships and stations. If the world won’t load at all, you may need to use a third-party save editor, but that’s risky and not officially supported.

Does this error happen on Xbox or PlayStation versions?

Yes, console versions can also encounter this error, but the fixes are slightly different. On console, you can try clearing the local saved game data (from the system storage) and then downloading your save from the cloud, but be careful not to lose progress.

What if the error appears on a dedicated server?

On a dedicated server, the issue is usually with the server’s save file. The server admin should verify the server files, check for mod updates, and possibly roll back to a previous backup. Players cannot fix this on their own.

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