# Pastebin JqRfod9W

java.lang.IllegalArgumentException: Duplicate id value for 1!
	at net.minecraft.entity.DataWatcher.addObject(DataWatcher.java:56)
	at com.ikingssgc.core.entity.EntityK9.onUpdate(EntityK9.java:76)
	at net.minecraft.world.World.updateEntityWithOptionalForce(World.java:2247)
	at net.minecraft.world.WorldServer.updateEntityWithOptionalForce(WorldServer.java:696)
	at net.minecraft.world.World.updateEntity(World.java:2207)
	at net.minecraft.world.World.updateEntities(World.java:2057)
	at net.minecraft.world.WorldServer.updateEntities(WorldServer.java:527)
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:703)
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:614)
	at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:118)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:485)
	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:752)


A detailed walkthrough of the error, its code path and all known details is as follows:
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-- Head --
Stacktrace:
	at net.minecraft.entity.DataWatcher.addObject(DataWatcher.java:56)
	at com.ikingssgc.core.entity.EntityK9.onUpdate(EntityK9.java:76)
	at net.minecraft.world.World.updateEntityWithOptionalForce(World.java:2247)
	at net.minecraft.world.WorldServer.updateEntityWithOptionalForce(WorldServer.java:696)
	at net.minecraft.world.World.updateEntity(World.java:2207)

-- Entity being ticked --
Details:
	Entity Type: DWCMK9Mark1 (com.ikingssgc.core.entity.EntityK9)
	Entity ID: 142
	Entity Name: entity.DWCMK9Mark1.name
	Entity's Exact location: -250.53, 68.00, 251.25
	Entity's Block location: World: (-251,68,251), Chunk: (at 5,4,11 in -16,15; contains blocks -256,0,240 to -241,255,255), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Entity's Momentum: 0.00, -0.08, 0.00
Stacktrace:
	at net.minecraft.world.World.updateEntities(World.java:2057)
	at net.minecraft.world.WorldServer.updateEntities(WorldServer.java:527)