Caused by: java.lang.AbstractMethodError: eu.mccluster.dependency.commandmanager.v1_1.a.d.b.getSuggestions(Lorg/spongepowered/api/command/CommandSource;Ljava/lang/String;Lorg/spongepowered/api/world/Location;)Ljava/util/List;
        at org.spongepowered.api.command.dispatcher.SimpleDispatcher.getSuggestions(SimpleDispatcher.java:348) ~[SimpleDispatcher.class:1.10.2-2107-6.0.0-BETA-1855]
        at org.spongepowered.common.command.SpongeCommandManager.getSuggestions(SpongeCommandManager.java:347) ~[SpongeCommandManager.class:1.10.2-2107-6.0.0-BETA-1855]
        at net.minecraft.command.ServerCommandManager.func_180524_a(SourceFile:168) ~[bd.class:?]
        at net.minecraft.server.MinecraftServer.func_184104_a(MinecraftServer.java:860) ~[MinecraftServer.class:?]
        at net.minecraft.network.NetHandlerPlayServer.func_147341_a(NetHandlerPlayServer.java:1286) ~[me.class:?]
        at net.minecraft.network.play.client.CPacketTabComplete.func_148833_a(SourceFile:52) ~[il.class:?]
        at net.minecraft.network.play.client.CPacketTabComplete.func_148833_a(SourceFile:11) ~[il.class:?]
        at org.spongepowered.common.network.PacketUtil.onProcessPacket(PacketUtil.java:123) ~[PacketUtil.class:1.10.2-2107-6.0.0-BETA-1855]
        at net.minecraft.network.PacketThreadUtil$1.redirect$onProcessPacket$zjb000(SourceFile:39) ~[fl$1.class:?]
        at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) ~[fl$1.class:?]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_74]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_74]
        at net.minecraft.util.Util.func_181617_a(SourceFile:45) ~[h.class:?]
        ... 5 more