[20:53:32] [Server thread/FATAL]: Error executing task
java.util.concurrent.ExecutionException: java.lang.NoClassDefFoundError: net/minecraft/client/renderer/ItemMeshDefinition
    at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_91]
    at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_91]
    at net.minecraft.util.Util.func_181617_a(SourceFile:46) [h.class:?]
    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:666) [MinecraftServer.class:?]
    at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:385) [lb.class:?]
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:611) [MinecraftServer.class:?]
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:469) [MinecraftServer.class:?]
    at java.lang.Thread.run(Thread.java:745) [?:1.8.0_91]
Caused by: java.lang.NoClassDefFoundError: net/minecraft/client/renderer/ItemMeshDefinition
    at mod.chiselsandbits.chiseledblock.BlockChiseled.getPickBlock(BlockChiseled.java:442) ~[BlockChiseled.class:?]
    at mod.chiselsandbits.chiseledblock.BlockChiseled.getPickBlock(BlockChiseled.java:428) ~[BlockChiseled.class:?]
    at mcjty.theoneprobe.apiimpl.providers.DefaultProbeInfoProvider.showStandardBlockInfo(DefaultProbeInfoProvider.java:129) ~[DefaultProbeInfoProvider.class:?]
    at mcjty.theoneprobe.apiimpl.providers.DefaultProbeInfoProvider.addProbeInfo(DefaultProbeInfoProvider.java:45) ~[DefaultProbeInfoProvider.class:?]
    at mcjty.theoneprobe.network.PacketGetInfo.getProbeInfo(PacketGetInfo.java:104) ~[PacketGetInfo.class:?]
    at mcjty.theoneprobe.network.PacketGetInfo.access$500(PacketGetInfo.java:27) ~[PacketGetInfo.class:?]
    at mcjty.theoneprobe.network.PacketGetInfo$Handler.handle(PacketGetInfo.java:90) ~[PacketGetInfo$Handler.class:?]
    at mcjty.theoneprobe.network.PacketGetInfo$Handler.lambda$onMessage$0(PacketGetInfo.java:83) ~[PacketGetInfo$Handler.class:?]
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_91]
    at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_91]
    at net.minecraft.util.Util.func_181617_a(SourceFile:45) ~[h.class:?]
    ... 5 more
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.renderer.ItemMeshDefinition
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:101) ~[launchwrapper-1.12.jar:?]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_91]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_91]
    at mod.chiselsandbits.chiseledblock.BlockChiseled.getPickBlock(BlockChiseled.java:442) ~[BlockChiseled.class:?]
    at mod.chiselsandbits.chiseledblock.BlockChiseled.getPickBlock(BlockChiseled.java:428) ~[BlockChiseled.class:?]
    at mcjty.theoneprobe.apiimpl.providers.DefaultProbeInfoProvider.showStandardBlockInfo(DefaultProbeInfoProvider.java:129) ~[DefaultProbeInfoProvider.class:?]
    at mcjty.theoneprobe.apiimpl.providers.DefaultProbeInfoProvider.addProbeInfo(DefaultProbeInfoProvider.java:45) ~[DefaultProbeInfoProvider.class:?]
    at mcjty.theoneprobe.network.PacketGetInfo.getProbeInfo(PacketGetInfo.java:104) ~[PacketGetInfo.class:?]
    at mcjty.theoneprobe.network.PacketGetInfo.access$500(PacketGetInfo.java:27) ~[PacketGetInfo.class:?]
    at mcjty.theoneprobe.network.PacketGetInfo$Handler.handle(PacketGetInfo.java:90) ~[PacketGetInfo$Handler.class:?]
    at mcjty.theoneprobe.network.PacketGetInfo$Handler.lambda$onMessage$0(PacketGetInfo.java:83) ~[PacketGetInfo$Handler.class:?]
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_91]
    at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_91]
    at net.minecraft.util.Util.func_181617_a(SourceFile:45) ~[h.class:?]
    ... 5 more