I, like many people kept getting the "Incompatible Version" message when trying to connect to our server after installing valheim+ 0.9 . What solved it for me was after installing Valheim+, going into the Modify Valheim+ Config section in the control panel, and just scrolling down to the bottom to hit save configuration, even if nothing is enabled/changed. I hadn't done this prior as I was just trying to connect to see if it was working before getting into the config, but it might be that there