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---- Minecraft Crash Report ----

WARNING: coremods are present:
  LoadingPlugin (Quark-r1.0-56.jar)
  SFRCore (SolarFluxReborn_1.10.2-1.4r.jar)
  LoadingPlugin (RandomThings-MC1.10.2-3.7.6.jar)
  BookshelfLoadingPlugin (Bookshelf-1.10.2-1.4.2.327.jar)
  FMLPlugin (InventoryTweaks-1.61-58.jar)
  ChiselCorePlugin (Chisel-MC1.9.4-0.0.6.50.jar)
Contact their authors BEFORE contacting forge

// You're mean.

Time: 2016-10-11 15:15
Description: Exception in server tick loop

java.lang.NoClassDefFoundError: com/mojang/realmsclient/gui/ChatFormatting
	at com.acronym.base.items.ItemPart.func_77653_i(ItemPart.java:47)
	at net.minecraft.item.ItemStack.func_82833_r(ItemStack.java:507)
	at net.minecraft.item.ItemStack.func_151000_E(ItemStack.java:956)
	at net.minecraft.stats.StatList.func_75925_c(StatList.java:201)
	at net.minecraft.stats.StatList.reinit(StatList.java:343)
	at net.minecraftforge.common.ForgeModContainer.mappingChanged(ForgeModContainer.java:468)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
	at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
	at com.google.common.eventbus.EventBus.post(EventBus.java:275)
	at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:239)
	at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:217)
	at net.minecraftforge.fml.common.Loader.fireRemapEvent(Loader.java:1044)
	at net.minecraftforge.fml.common.registry.PersistentRegistryManager.injectSnapshot(PersistentRegistryManager.java:355)
	at net.minecraftforge.fml.common.FMLContainer.readData(FMLContainer.java:327)
	at net.minecraftforge.fml.common.FMLCommonHandler.handleWorldDataLoad(FMLCommonHandler.java:418)
	at net.minecraft.world.storage.SaveFormatOld.loadAndFix(SaveFormatOld.java:118)
	at net.minecraft.world.storage.SaveHandler.func_75757_d(SaveHandler.java:121)
	at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:224)
	at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:266)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:431)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: com.mojang.realmsclient.gui.ChatFormatting
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	... 27 more
Caused by: java.lang.NullPointerException
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
	... 29 more