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I was making a little modpack for me and my friends to use and this happened when I added legend gear 2 into the pack.

All the mods included are:

InventoryTweaks

Not Enough Items

Optifine

Pixelmon

vocelmapNoRadar

CodeChickenCore

Baubles

Legendgear

PlayerAPI

SmartCore

SmartMoving

SmartRender

Any and all help would be greatly appreciated ^.^

---- Minecraft Crash Report ---- // Uh... Did I do that?

Time: 3/18/15 4:44 PM Description: Ticking memory connection

java.lang.IllegalArgumentException: Duplicate id value for 22! at net.minecraft.entity.DataWatcher.func_75682_a(SourceFile:64) at com.pixelmonmod.pixelmon.entities.EntityPlayerExtension.handleConstruction(EntityPlayerExtension.java:16) at cpw.mods.fml.common.eventhandler.ASMEventHandler_88_EntityPlayerExtension_handleConstruction_EntityConstructing.invoke(.dynamic) at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54) at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:138) at net.minecraft.entity.Entity.<init>(Entity.java:179) at net.minecraft.entity.EntityLivingBase.<init>(EntityLivingBase.java:119) at net.minecraft.entity.player.EntityPlayer.<init>(EntityPlayer.java:141) at net.minecraft.entity.player.EntityPlayerMP.<init>(EntityPlayerMP.java:138) at net.minecraft.server.management.ServerConfigurationManager.func_148545_a(ServerConfigurationManager.java:397) at net.minecraft.server.network.NetHandlerLoginServer.func_147326_c(NetHandlerLoginServer.java:101) at net.minecraft.server.network.NetHandlerLoginServer.func_147233_a(NetHandlerLoginServer.java:60) at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:215) at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:165) at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:659) at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547) at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:186) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427) at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)

A detailed walkthrough of the error, its code path and all known details is as follows: ---------------------------------------------------------------------------------------

-- Head -- Stacktrace: at net.minecraft.entity.DataWatcher.func_75682_a(SourceFile:64) at com.pixelmonmod.pixelmon.entities.EntityPlayerExtension.handleConstruction(EntityPlayerExtension.java:16) at cpw.mods.fml.common.eventhandler.ASMEventHandler_88_EntityPlayerExtension_handleConstruction_EntityConstructing.invoke(.dynamic) at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54) at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:138) at net.minecraft.entity.Entity.<init>(Entity.java:179) at net.minecraft.entity.EntityLivingBase.<init>(EntityLivingBase.java:119) at net.minecraft.entity.player.EntityPlayer.<init>(EntityPlayer.java:141) at net.minecraft.entity.player.EntityPlayerMP.<init>(EntityPlayerMP.java:138) at net.minecraft.server.management.ServerConfigurationManager.func_148545_a(ServerConfigurationManager.java:397) at net.minecraft.server.network.NetHandlerLoginServer.func_147326_c(NetHandlerLoginServer.java:101) at net.minecraft.server.network.NetHandlerLoginServer.func_147233_a(NetHandlerLoginServer.java:60) at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:215)

-- Ticking connection -- Details: Connection: [email protected] Stacktrace: at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:165) at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:659) at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547) at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:186) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427) at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)

-- System Details -- Details: Minecraft Version: 1.7.10 Operating System: Windows 8.1 (amd64) version 6.3 Java Version: 1.8.0_25, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 262276208 bytes (250 MB) / 675762176 bytes (644 MB) up to 1060372480 bytes (1011 MB) JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 FML: MCP v9.05 FML v7.10.85.1230 Minecraft Forge 10.13.2.1230 Optifine OptiFine_1.7.10_HD_B5 14 mods loaded, 14 mods active mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available FML{7.10.85.1230} [Forge Mod Loader] (forge-1.7.10-10.13.2.1230.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available Forge{10.13.2.1230} [Minecraft Forge] (forge-1.7.10-10.13.2.1230.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available CodeChickenCore{1.0.4.29} [CodeChicken Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available NotEnoughItems{1.0.3.74} [Not Enough Items] (Not-Enough-Items-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available PlayerAPI{1.2} [Player API] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available SmartCore{1.0} [Smart Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available Baubles{1.0.1.10} [Baubles] (Baubles-1.7.10-1.0.1.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available inventorytweaks{1.58-147-645ca10} [Inventory Tweaks] (InventoryTweaks-1.58-147.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available legendgear{2.b.2.1} [LegendGear 2] (legendgear-1.7.10-2.b.2.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available pixelmon{3.4.0} [Pixelmon] (Pixelmon-1.7.10-3.4.0-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available SmartMoving{15.3} [Smart Moving] (SmartMoving-1.7.10-15.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available SmartRender{2.1} [Smart Render] (SmartRender-1.7.10-2.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available voxelmap{1.7.10} [VoxelMap No Radar] (voxelmapNoRadar-1.7.10-1.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available Profiler Position: N/A (disabled) Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used Player Count: 0 / 8; [] Type: Integrated Server (map_client.txt) Is Modded: Definitely; Client brand changed to 'fml,forge'

Any idea how I can fix this? xD

Quote from grimallq»

If this is an Entity ID conflict as I suspect then:

Find the mod that does this by removing mods one by one (leave Pixelmon for last). Check it's config files, maybe it does allow configuring entity IDs. If not ... remove the mod and/or report this to it's author.

Mkay thanks m8 ^.^