[17:41:43] [Server thread/ERROR]: Encountered an unexpected exception
net.minecraft.util.ReportedException: Ticking player
at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:210) ~[NetworkSystem.class:?]
at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:817) ~[MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:698) ~[MinecraftServer.class:?]
at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:156) ~[IntegratedServer.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:547) [MinecraftServer.class:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_111]
Caused by: java.util.ConcurrentModificationException
at java.util.LinkedHashMap$LinkedHashIterator.nextNode(Unknown Source) ~[?:1.8.0_111]
at java.util.LinkedHashMap$LinkedKeyIterator.next(Unknown Source) ~[?:1.8.0_111]
at bassebombecraft.entity.ai.AiUtils.clearAiTasks(AiUtils.java:26) ~[AiUtils.class:?]
at bassebombecraft.event.charm.DefaultCharmedMobsRepository.add(DefaultCharmedMobsRepository.java:31) ~[DefaultCharmedMobsRepository.class:?]
at bassebombecraft.item.action.mist.entity.BeastmasterMist.applyEffectToEntity(BeastmasterMist.java:40) ~[BeastmasterMist.class:?]
at bassebombecraft.item.action.mist.entity.GenericEntityMist.applyEffect(GenericEntityMist.java:126) ~[GenericEntityMist.class:?]
at bassebombecraft.item.action.mist.entity.GenericEntityMist.onUpdate(GenericEntityMist.java:150) ~[GenericEntityMist.class:?]
at bassebombecraft.item.book.GenericRightClickedBook.onUpdate(GenericRightClickedBook.java:73) ~[GenericRightClickedBook.class:?]
at net.minecraft.item.ItemStack.updateAnimation(ItemStack.java:503) ~[ItemStack.class:?]
at net.minecraft.entity.player.InventoryPlayer.decrementAnimations(InventoryPlayer.java:390) ~[InventoryPlayer.class:?]
at net.minecraft.entity.player.EntityPlayer.onLivingUpdate(EntityPlayer.java:563) ~[EntityPlayer.class:?]
at net.minecraft.entity.EntityLivingBase.onUpdate(EntityLivingBase.java:2290) ~[EntityLivingBase.class:?]
at net.minecraft.entity.player.EntityPlayer.onUpdate(EntityPlayer.java:258) ~[EntityPlayer.class:?]
at net.minecraft.entity.player.EntityPlayerMP.onUpdateEntity(EntityPlayerMP.java:341) ~[EntityPlayerMP.class:?]
at net.minecraft.network.NetHandlerPlayServer.update(NetHandlerPlayServer.java:176) ~[NetHandlerPlayServer.class:?]
at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1.update(NetworkDispatcher.java:218) ~[NetworkDispatcher$1.class:?]
at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:308) ~[NetworkManager.class:?]
at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:195) ~[NetworkSystem.class:?]
... 5 more