hesselino Posted March 7, 2012 Share Posted March 7, 2012 when i start my server it goes: 16 : 39 : 52 [sEVERE] unexpected exception java.lang.unsupportedClassVersionError : net/minecraft/server/mod_IC2AdvancedMachines : Unsupported major . minor version 51.0 than it shows some files and then repeats the process can someone help me? ??? Link to comment Share on other sites More sharing options...
havocx42 Posted March 7, 2012 Share Posted March 7, 2012 install java 7 Link to comment Share on other sites More sharing options...
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