A Valheim server, like the game on your own computer, occasionally receives updates. Updating the server is quite easy and can be done with a single click.
The error "incompatible version" that you may receive when joining the game means one thing, and the solution can be divided into three parts.
incompatible version = the server and client files are not equal.
Solutions:
- Update your server
- Update your server's mods
- Update your client's mods
Updating a Valheim server
- Log in to the control panel.
- Select your own Valheim server from the game services.
- Click "Steam Update"
Once the Steam update is complete, your server has been updated and you can connect to it to play.