PuffyPuffy

Title: Minecraft forge? Version: 3.1.2 OS: Windows 7 Home premium 64 bit Java Version: Not sure /: Help? Description of Problem: I start up Tekkit so that I can play on my friend's server, then I go to join his server and it says that I need Minecraft Forge installed? But I never had this problem before. Also, if I play single player, it's just Vanilla MC. It's like all of my Tekkit mods are gone? Error Messages: Error Log: