Heinz Stuhlgang Posted March 29, 2012 Share Posted March 29, 2012 Hey guys! tried to setup my own tekkit server for me and my friends, however, I ran into a little problem: 2012-03-29 19:38:41 [FINE] Failed to load mod from "mod_IC2AdvancedMachines.class" 2012-03-29 19:38:41 [FINER] THROW java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_IC2AdvancedMachines : Unsupported major.minor version 51.0 Looks like something is wrong with an IC2 plugin? How can I fix this? Link to comment Share on other sites More sharing options...
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