The “Failed to place all” error in Valheim dedicated servers means the game could not spawn every world object (buildings, items, terrain features) from the save file into the server’s memory, usually because of corrupted or incompatible save data or a mod mismatch. This typically happens when loading a world that was created with a different game version or with mods that are no longer present, and it can cause missing structures, stuck loading, or a server that crashes on start.
What the Error Actually Means
Valheim stores your world in a .db file (the world data) and an .fwl file (the world metadata). When the server starts, it reads these files and “places” every object into the game world. The “Failed to place all” message appears when the server cannot instantiate every object from the save. This is not a network error—it’s a data integrity problem. The server is telling you that some objects in the save are missing, have invalid IDs, or reference content that no longer exists.
Common causes include:
- Loading a world saved by a newer or older game version than the server is running.
- Using mods that added custom items or buildings, then removing those mods before loading the world.
- A corrupted save file from a crash or improper shutdown.
- Insufficient disk space or file permission issues that prevent writing the world data.
Why It Happens on Dedicated Servers
Dedicated servers run headless—no graphics, just the world simulation. They are more sensitive to save file issues because they load the entire world at once. When you play single-player, the game loads chunks as you approach them, so a few missing objects might go unnoticed. A dedicated server must place everything at startup, so any problem becomes immediately fatal.
How to Fix It (Step-by-Step)
Try these fixes in order, from least to most invasive.
- Restart the server. Sometimes the error is transient—a file was still being written when the server tried to read it. Stop the server, wait a few seconds, and start it again.
- Check game version compatibility. Make sure the server and all clients are running the same Valheim version. If you updated the server but the world was saved with an older version, the server may fail to place newer objects. Use the same version as the world’s last save.
- Remove or update mods. If you use mods (like BepInEx or Valheim Plus), remove them temporarily and try loading the world. If the error disappears, the problem is a mod that added objects now missing. Reinstall the mod or revert to a backup without it.
- Restore a backup. Valheim automatically keeps backups in the
backupsfolder next to your world files. Stop the server, replace the current.dband.fwlwith the most recent backup, and start again. This is the most reliable fix for corrupted saves. - Verify file integrity. If you’re using SteamCMD, re-run the install command to ensure all server files are intact. For a local dedicated server, verify the game files through Steam.
- Delete and recreate the world. As a last resort, create a new world. You will lose all builds and progress in that world, but the server will work. This is only if backups are unavailable or also corrupted.
How to Prevent It in the Future
- Always back up your world files before updating the server or adding/removing mods.
- Use a mod manager that tracks which mods are installed per world.
- Shut down the server gracefully (using the console command
savethenstop) to avoid corrupting the save. - Keep the server and client versions in sync—update both at the same time.
- If you use mods, ensure all players have the same mods installed.
Common Misconceptions
“The error means my save is gone.” Not necessarily. The error often appears when the server cannot place some objects, but the save file itself may be intact. Restoring a backup or removing mods usually recovers the world.
“It’s a server hosting problem.” While a hosting provider might have issues, the error is almost always related to the world files, not the host. If you rent a server, you can still access the world files via FTP and apply the same fixes.
“Reinstalling the server fixes it.” Reinstalling the server software alone won’t help if the problem is in the world files. You must also restore a clean backup of the world.
Related Error: “Failed to Load”
You may also see “Failed to load” or “World load failed” messages. These are similar but often indicate the server can’t read the .fwl file at all, which is more severe. The “Failed to place all” error is usually a partial failure—the server reads the file but can’t instantiate everything. Both errors share the same fixes: check backups, remove mods, and verify versions.
Frequently Asked Questions
Does this error delete my world?
No, the error itself doesn’t delete your world. It prevents the server from loading it. Your save files remain on disk, and you can usually recover them with a backup or by fixing the mod/version issue.
Can I fix it without losing my builds?
Yes, in most cases. Restoring a backup is the safest method and preserves your builds. Removing mods that added objects may also work, but any objects from those mods will be gone.
Why does it happen after a Valheim update?
When the game updates, the world format may change. The server tries to place objects using new rules, but old objects may have incompatible data. This is why backing up before updating is critical.
Is this error caused by a full hard drive?
It’s possible if the server can’t write temporary files. Check your disk space and ensure the server has write permissions to its directory. If the disk is full, free up space and restart.
Can I play on the world in single-player after this error?
Sometimes. If the error is version-related, loading the world in single-player with the same version as the server might work, but it could also crash. Always back up the world before trying.
What if I don’t have a backup?
If you have no backup, you can try removing mods and loading the world. If that fails, the world may be unrecoverable. In the future, enable automatic backups in your server configuration or manually copy the world files regularly.
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