Captaindrake93

Launcher/pack Version: 2.1.1 Operating System: Bought a server on Sleek servers and aren't quite sure. Version of Java: 1.7 Description of Problem: Server wont come online! Error Messages: [sEVERE] Unexpected exception java.lang.RuntimeException: ModLoader has failed to initialize. [sEVERE] Unexpected exception java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_IC2AdvancedMachines : Unsupported major.minor version 51.0 [sEVERE] Unexpected exception java.lang.RuntimeException: Exception occured in ModLoader Link to pastebin of log: http://pastebin.com/mfZN2GeQ I dont know what to do :|