Ensure port 7777 (default) is open, or use Steam's "Invite" feature to bypass manual IP entry.
Before starting the server, click "Update All" in the mod menu to ensure you aren't hosting an obsolete version. reload complete joining tmodloader
Ensure both parties are either on "None" (Stable) or the same specific version (like "1.4.4-preview"). Increase Allocated RAM If the game crashes after reloading: Ensure port 7777 (default) is open, or use
If you are the one hosting and your friends can't join after the reload: Increase Allocated RAM If the game crashes after
The client checks if it has the same versions of all mods hosted by the server.
Some mods have "Server Side" configurations. If your local config file has settings that conflict with the server’s mandatory rules, the handshake might fail immediately after the reload is finished. 3. Memory Overload (RAM)