Error on use Fish Cannon

[10:18:57] [Client thread/INFO]: Created: 512x512 textures-atlas
[10:19:02] [Server thread/INFO]: Starting integrated minecraft server version 1.8
[10:19:02] [Server thread/INFO]: Generating keypair
[10:19:03] [Server thread/INFO] [FML]: Injecting existing block and item data into this server instance
[10:19:03] [Server thread/INFO] [FML]: Applying holder lookups
[10:19:03] [Server thread/INFO] [FML]: Holder lookups applied
[10:19:03] [Server thread/INFO] [FML]: Loading dimension 0 (New World) (net.minecraft.server.integrated.IntegratedServer@dde8062)
[10:19:03] [Server thread/INFO] [FML]: Loading dimension 1 (New World) (net.minecraft.server.integrated.IntegratedServer@dde8062)
[10:19:03] [Server thread/INFO] [FML]: Loading dimension -1 (New World) (net.minecraft.server.integrated.IntegratedServer@dde8062)
[10:19:03] [Server thread/INFO]: Preparing start region for level 0
[10:19:04] [Server thread/INFO]: Preparing spawn area: 37%
[10:19:05] [Server thread/INFO]: Changing view distance to 12, from 10
[10:19:07] [Netty Local Client IO #0/INFO] [FML]: Server protocol version 2
[10:19:07] [Netty Server IO #1/INFO] [FML]: Client protocol version 2
[10:19:07] [Netty Server IO #1/INFO] [FML]: Client attempting to join with 4 mods : FML@8.0.76.1404,Forge@11.14.1.1404,mcp@9.05,FishyPlus@0.0
[10:19:07] [Netty Local Client IO #0/INFO] [FML]: [Netty Local Client IO #0] Client side modded connection established
[10:19:07] [Server thread/INFO] [FML]: [Server thread] Server side modded connection established
[10:19:07] [Server thread/INFO]: Player718[local:E:063ca18a] logged in with entity id 97 at (115.16347949667909, 71.99739660151346, -704.6850069204744)
[10:19:07] [Server thread/INFO]: Player718 joined the game
[10:19:08] [pool-2-thread-1/WARN]: Couldn't look up profile properties for com.mojang.authlib.GameProfile@309c39dc[id=8ce64f24-c135-3001-9ff7-8b03d3719e4f,name=Player718,properties={},legacy=false]
com.mojang.authlib.exceptions.AuthenticationException: The client has sent too many requests within a certain amount of time
	at com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.makeRequest(YggdrasilAuthenticationService.java:65) ~[YggdrasilAuthenticationService.class:?]
	at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.fillGameProfile(YggdrasilMinecraftSessionService.java:158) [YggdrasilMinecraftSessionService.class:?]
	at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService$1.load(YggdrasilMinecraftSessionService.java:53) [YggdrasilMinecraftSessionService$1.class:?]
	at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService$1.load(YggdrasilMinecraftSessionService.java:50) [YggdrasilMinecraftSessionService$1.class:?]
	at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3524) [guava-17.0.jar:?]
	at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2317) [guava-17.0.jar:?]
	at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2280) [guava-17.0.jar:?]
	at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2195) [guava-17.0.jar:?]
	at com.google.common.cache.LocalCache.get(LocalCache.java:3934) [guava-17.0.jar:?]
	at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3938) [guava-17.0.jar:?]
	at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4821) [guava-17.0.jar:?]
	at com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4827) [guava-17.0.jar:?]
	at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.fillProfileProperties(YggdrasilMinecraftSessionService.java:148) [YggdrasilMinecraftSessionService.class:?]
	at net.minecraft.client.resources.SkinManager$3.run(SkinManager.java:138) [SkinManager$3.class:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_25]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_25]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_25]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_25]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
[10:19:16] [Server thread/ERROR]: "Silently" catching entity tracking error.
net.minecraft.util.ReportedException: Adding entity to track
	at net.minecraft.entity.EntityTracker.addEntityToTracker(EntityTracker.java:236) [EntityTracker.class:?]
	at net.minecraft.entity.EntityTracker.trackEntity(EntityTracker.java:87) [EntityTracker.class:?]
	at net.minecraft.world.WorldManager.onEntityAdded(WorldManager.java:35) [WorldManager.class:?]
	at net.minecraft.world.World.onEntityAdded(World.java:1243) [World.class:?]
	at net.minecraft.world.WorldServer.onEntityAdded(WorldServer.java:1026) [WorldServer.class:?]
	at net.minecraft.world.World.spawnEntityInWorld(World.java:1234) [World.class:?]
	at com.gerbshert.fishyplus.Items.ItemFishCanon.onPlayerStoppedUsing(ItemFishCanon.java:87) [ItemFishCanon.class:?]
	at net.minecraft.item.ItemStack.onPlayerStoppedUsing(ItemStack.java:530) [ItemStack.class:?]
	at net.minecraft.entity.player.EntityPlayer.stopUsingItem(EntityPlayer.java:232) [EntityPlayer.class:?]
	at net.minecraft.network.NetHandlerPlayServer.processPlayerDigging(NetHandlerPlayServer.java:525) [NetHandlerPlayServer.class:?]
	at net.minecraft.network.play.client.C07PacketPlayerDigging.processPacket(C07PacketPlayerDigging.java:53) [C07PacketPlayerDigging.class:?]
	at net.minecraft.network.play.client.C07PacketPlayerDigging.processPacket(C07PacketPlayerDigging.java:76) [C07PacketPlayerDigging.class:?]
	at net.minecraft.network.PacketThreadUtil$1.run(PacketThreadUtil.java:24) [PacketThreadUtil$1.class:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_25]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_25]
	at net.minecraftforge.fml.common.FMLCommonHandler.callFuture(FMLCommonHandler.java:709) [FMLCommonHandler.class:?]
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:726) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:669) [MinecraftServer.class:?]
	at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:171) [IntegratedServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:540) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
Caused by: java.lang.IllegalStateException: Entity is already tracked!
	at net.minecraft.entity.EntityTracker.addEntityToTracker(EntityTracker.java:202) ~[EntityTracker.class:?]
	... 20 more
[10:19:18] [Server thread/ERROR]: "Silently" catching entity tracking error.
net.minecraft.util.ReportedException: Adding entity to track
	at net.minecraft.entity.EntityTracker.addEntityToTracker(EntityTracker.java:236) [EntityTracker.class:?]
	at net.minecraft.entity.EntityTracker.trackEntity(EntityTracker.java:87) [EntityTracker.class:?]
	at net.minecraft.world.WorldManager.onEntityAdded(WorldManager.java:35) [WorldManager.class:?]
	at net.minecraft.world.World.onEntityAdded(World.java:1243) [World.class:?]
	at net.minecraft.world.WorldServer.onEntityAdded(WorldServer.java:1026) [WorldServer.class:?]
	at net.minecraft.world.World.spawnEntityInWorld(World.java:1234) [World.class:?]
	at com.gerbshert.fishyplus.Items.ItemFishCanon.onPlayerStoppedUsing(ItemFishCanon.java:87) [ItemFishCanon.class:?]
	at net.minecraft.item.ItemStack.onPlayerStoppedUsing(ItemStack.java:530) [ItemStack.class:?]
	at net.minecraft.entity.player.EntityPlayer.stopUsingItem(EntityPlayer.java:232) [EntityPlayer.class:?]
	at net.minecraft.network.NetHandlerPlayServer.processPlayerDigging(NetHandlerPlayServer.java:525) [NetHandlerPlayServer.class:?]
	at net.minecraft.network.play.client.C07PacketPlayerDigging.processPacket(C07PacketPlayerDigging.java:53) [C07PacketPlayerDigging.class:?]
	at net.minecraft.network.play.client.C07PacketPlayerDigging.processPacket(C07PacketPlayerDigging.java:76) [C07PacketPlayerDigging.class:?]
	at net.minecraft.network.PacketThreadUtil$1.run(PacketThreadUtil.java:24) [PacketThreadUtil$1.class:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_25]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_25]
	at net.minecraftforge.fml.common.FMLCommonHandler.callFuture(FMLCommonHandler.java:709) [FMLCommonHandler.class:?]
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:726) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:669) [MinecraftServer.class:?]
	at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:171) [IntegratedServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:540) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
Caused by: java.lang.IllegalStateException: Entity is already tracked!
	at net.minecraft.entity.EntityTracker.addEntityToTracker(EntityTracker.java:202) ~[EntityTracker.class:?]
	... 20 more
[10:19:20] [Server thread/ERROR]: "Silently" catching entity tracking error.
net.minecraft.util.ReportedException: Adding entity to track
	at net.minecraft.entity.EntityTracker.addEntityToTracker(EntityTracker.java:236) [EntityTracker.class:?]
	at net.minecraft.entity.EntityTracker.trackEntity(EntityTracker.java:87) [EntityTracker.class:?]
	at net.minecraft.world.WorldManager.onEntityAdded(WorldManager.java:35) [WorldManager.class:?]
	at net.minecraft.world.World.onEntityAdded(World.java:1243) [World.class:?]
	at net.minecraft.world.WorldServer.onEntityAdded(WorldServer.java:1026) [WorldServer.class:?]
	at net.minecraft.world.World.spawnEntityInWorld(World.java:1234) [World.class:?]
	at com.gerbshert.fishyplus.Items.ItemFishCanon.onPlayerStoppedUsing(ItemFishCanon.java:87) [ItemFishCanon.class:?]
	at net.minecraft.item.ItemStack.onPlayerStoppedUsing(ItemStack.java:530) [ItemStack.class:?]
	at net.minecraft.entity.player.EntityPlayer.stopUsingItem(EntityPlayer.java:232) [EntityPlayer.class:?]
	at net.minecraft.network.NetHandlerPlayServer.processPlayerDigging(NetHandlerPlayServer.java:525) [NetHandlerPlayServer.class:?]
	at net.minecraft.network.play.client.C07PacketPlayerDigging.processPacket(C07PacketPlayerDigging.java:53) [C07PacketPlayerDigging.class:?]
	at net.minecraft.network.play.client.C07PacketPlayerDigging.processPacket(C07PacketPlayerDigging.java:76) [C07PacketPlayerDigging.class:?]
	at net.minecraft.network.PacketThreadUtil$1.run(PacketThreadUtil.java:24) [PacketThreadUtil$1.class:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_25]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_25]
	at net.minecraftforge.fml.common.FMLCommonHandler.callFuture(FMLCommonHandler.java:709) [FMLCommonHandler.class:?]
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:726) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:669) [MinecraftServer.class:?]
	at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:171) [IntegratedServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:540) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
Caused by: java.lang.IllegalStateException: Entity is already tracked!
	at net.minecraft.entity.EntityTracker.addEntityToTracker(EntityTracker.java:202) ~[EntityTracker.class:?]
	... 20 more