E4MC Troubleshooting

Fixes for connection, login and tunnel errors. Articles about E4MC Mod in the troubleshooting category.

Getting 'Failed to log in: Invalid session' when joining an E4MC Mod world? Learn why it happens and how to fix it in a few minutes.

E4MC Mod not showing a domain, or friends can't connect? Work through these proven fixes for loaders, firewalls, versions and timeouts.