Everything seemed to be working fine until I placed a charging bench and it crashed the game. Now I can't load that world and get this error:
Display Spoiler
Description: Exception in server tick loop
java.lang.AbstractMethodError: com.kaijin.AdvPowerMan.TEChargingBench.demandedEnergyUnits()D
at ic2.core.energy.Grid.prepareCalculation(Grid.java:186)
at ic2.core.energy.EnergyNetLocal.onTickEnd(EnergyNetLocal.java:264)
at ic2.core.energy.EnergyNetGlobal.onTickEnd(EnergyNetGlobal.java:51)
at ic2.core.IC2.tickEnd(IC2.java:1776)
at cpw.mods.fml.common.SingleIntervalHandler.tickEnd(SingleIntervalHandler.java:34)
at cpw.mods.fml.common.FMLCommonHandler.tickEnd(FMLCommonHandler.java:141)
at cpw.mods.fml.common.FMLCommonHandler.onPostWorldTick(FMLCommonHandler.java:282)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:677)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:587)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:129)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:484)
at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:583)
this was in the -server crash report. Not sure how to recover from this. Full log attached.