Fix Once Human Login Server Error Code 401

Once Human is a survival game created by NetEase Games, it mixes sandbox gameplay with survival elements, allowing players to explore a detailed world full of dangers and challenges.

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You can roam the open world, gather resources, build shelters, and craft weapons and tools. However, many players encounter the login server error code 401, which can be annoying because it stops them from getting into the game.

Recently, many players have been experiencing login server error code 401. Some users have shared their problems and solutions on Steam.

Fix Once Human Login Server Error Code 401 — Source – Steam

What is Error Code 401?

Error code 401 usually means there’s a problem with logging in. For Once Human, it means the game’s server can’t confirm your login details or session. This can happen for some reasons, such as entering the wrong login information, issues with the game server, or problems with your internet connection.

Check: Fix Once Human Server Error

Here are some steps to fix login server errors in One Human. Just follow these steps:

Try a Different Server

Each server in Once Human has a limit on how many players it can handle.
If a server is full, you might see the 401 error.
From the start screen, click on the server name above the “Begin Game” option.
Choose another server that has space.
If you don’t like PvP (Player vs. Player), confirm it’s turned off on the new server.

Confirm you’re entering the correct username and password. Double-check for any typos or mistakes with uppercase and lowercase letters.
If you’ve forgotten your password, use the “Forgot Password” option to reset it.

Wait for Space

If you’re not playing with friends, you can wait until there’s room on the server.
Try joining again later.

Firewall and Antivirus Settings

Confirm that your firewall or antivirus software is not blocking Once Human. Add the game to your firewall or antivirus whitelist.
Temporarily disable these programs to see if they are causing the issue, but remember to enable them again after testing.

Disable VPN and Proxy Servers

If you are using a VPN or proxy server, try disabling it. These services can sometimes interfere with the game’s connection to the server.

Clear Cache and Temporary Files

Clearing the cache and temporary files can help resolve issues related to corrupted data. On a PC, you can do this by clearing the temporary files in your system settings or using a cleanup utility.
For mobile devices, go to the app settings and clear the cache.

Reinstall the Game

If none of the above solutions work, consider uninstalling and reinstalling the game. This can help resolve any issues related to corrupted game files.

Check for Server Maintenance

Sometimes servers are down for updates or maintenance.
Check Once Human’s Twitter or Discord for announcements.
You can talk with other players who might be experiencing the same issue.

Confirm a Stable Internet Connection

An unstable internet can cause the 401 error.
Improve your connection:
On mobile, find a spot with better reception or connect to Wi-Fi.
On PC, reduce any obstructions between you and the router.
Consider using an Ethernet cable for a more stable connection.

Also Read: Once Human Cultist Treasure Map Guide