Minecraft Forums

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

Time: 9/3/17 11:26 PM
Description: Ticking memory connection

java.lang.IllegalArgumentException: Duplicate id value for 27!
at net.minecraft.entity.DataWatcher.func_75682_a(SourceFile:64)
at ckathode.weaponmod.PlayerWeaponData.initPlayerWeaponData(PlayerWeaponData.java:33)
at ckathode.weaponmod.WMCommonEventHandler.onEntityConstructed(WMCommonEventHandler.java:14)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_432_WMCommonEventHandler_onEntityConstructed_EntityConstructing.invoke(.dynamic)
at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)
at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:140)
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>(Unknown Source)
at net.minecraft.entity.player.EntityPlayerMP.<init>(EntityPlayerMP.java:138)
at net.minecraft.server.management.ServerConfigurationManager.func_148545_a(ServerConfigurationManager.java:410)
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 ckathode.weaponmod.PlayerWeaponData.initPlayerWeaponData(PlayerWeaponData.java:33)
at ckathode.weaponmod.WMCommonEventHandler.onEntityConstructed(WMCommonEventHandler.java:14)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_432_WMCommonEventHandler_onEntityConstructed_EntityConstructing.invoke(.dynamic)
at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)
at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:140)
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>(Unknown Source)
at net.minecraft.entity.player.EntityPlayerMP.<init>(EntityPlayerMP.java:138)
at net.minecraft.server.management.ServerConfigurationManager.func_148545_a(ServerConfigurationManager.java:410)
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 10 (amd64) version 10.0
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 283035960 bytes (269 MB) / 821432320 bytes (783 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: 12, tallocated: 94
FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1614 Optifine OptiFine_1.7.10_HD_D1 38 mods loaded, 38 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJAAAA mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
UCHIJAAAA FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1614-1.7.10.jar)
UCHIJAAAA Forge{10.13.4.1614} [Minecraft Forge] (forge-1.7.10-10.13.4.1614-1.7.10.jar)
UCHIJAAAA mod_ThreadedLighting{1.7.10-1.0} [Threaded Lighting] (minecraft.jar)
UCHIJAAAA gilded-games-util{1.7.10-1.2} [Gilded Games Utility] (gilded-games-util-1.7.10-1.9.jar)
UCHIJAAAA battlegear2{1.7.10} [Mine & Blade Battlegear 2 - Bullseye] (1.7.10-MB_Battlegear2-Bullseye-1.0.8.3.jar)
UCHIJAAAA aether{1.7.10-1.6} [Aether II] (aether-1.7.10-1.6.jar)
UCHIJAAAA antiidconflict{1.3.5} [Anti Id Conflict] (AntiIdConflict-LATEST-1.7.10.jar)
UCHIJAAAA nevermine{2.3} [AdventOfAscension] (AoA-2.4.B.jar)
UCHIJAAAA XaeroBetterPvP{1.13.1} [Better PVP Mod] (BetterPvP_1.13.1_Forge_1.7.10.jar)
UCHIJAAAA BiblioCraft{1.11.7} [BiblioCraft] (BiblioCraft[v1.11.7][MC1.7.10].jar)
UCHIJAAAA BiomesOPlenty{2.1.0} [Biomes O' Plenty] (BiomesOPlenty-1.7.10-2.1.0.1889-universal.jar)
UCHIJAAAA milladon{1.0.0} [Millenaire Addon] (Carving.jar)
UCHIJAAAA GollumCoreLib{2.0.0} [Gollum Core Lib] (GollumCoreLib-2.0.0-1.7.10.jar)
UCHIJAAAA CastleDefenders{3.0.0 [Build Smeagol]} [Castle Defender] (CastleDefenders-3.0.0-1.7.10.jar)
UCHIJAAAA BuildMod{v1.0} [Build Mod] (coroutil-1.1.3 for MC v1.7.10.jar)
UCHIJAAAA CoroPets{v1.0} [CoroPets] (coroutil-1.1.3 for MC v1.7.10.jar)
UCHIJAAAA CoroAI{v1.0} [CoroAI] (coroutil-1.1.3 for MC v1.7.10.jar)
UCHIJAAAA ExtendedRenderer{v1.0} [Extended Renderer] (coroutil-1.1.3 for MC v1.7.10.jar)
UCHIJAAAA ConfigMod{v1.0} [Extended Mod Config] (coroutil-1.1.3 for MC v1.7.10.jar)
UCHIJAAAA ExtrabiomesXL{3.16.4} [ExtrabiomesXL] (extrabiomesxl_1.7.10-3.16.4.jar)
UCHIJAAAA farseek{2.0} [Farseek] (Farseek-1.7.10-2.0.jar)
UCHIJAAAA iChunUtil{4.2.2} [iChunUtil] (iChunUtil-4.2.2.jar)
UCHIJAAAA Hats{4.0.1} [Hats] (Hats-4.0.1.jar)
UCHIJAAAA inuitmaterials{0.0.0a} [Inuit Materials] (Inuit Materials-1.7.2-0.1.0.jar)
UCHIJAAAA RadixCore{2.1.2} [RadixCore] (RadixCore-1.7.10-2.1.2-universal.jar)
UCHIJAAAA MCA{1.7.10-5.2.1} [Minecraft Comes Alive] (MCA-1.7.10-5.2.1-universal.jar)
UCHIJAAAA millenaire{6.0.0} [Millénaire] (millenaire-6.0.0.jar)
UCHIJAAAA primitivemobs{1.0} [Primitive Mobs] (primitivemobs-1.0c-1.7.10.jar)
UCHIJAAAA RTG{1.7.10-1.1.1.4} [Realistic Terrain Generation] (RTG-1.7.10-1.1.1.4.jar)
UCHIJAAAA AS_Ruins{15.4} [Ruins Spawning System] (Ruins-1.7.10.jar)
UCHIJAAAA smm{1.0} [Song Materials Mod] (Song Materials 1.0.jar)
UCHIJAAAA streams{0.3.3} [Streams] (Streams-1.7.10-0.3.3.jar)
UCHIJAAAA teutonmaterials{0.1} [Teuton Materials] (TeutonMaterials-0.1.jar)
UCHIJAAAA totemic{1.7.10-0.6.2} [Totemic] (Totemic-1.7.10-0.6.2.jar)
UCHIJAAAA tropicraft{v6.0.5} [Tropicraft] (tropicraft-6.0.5.jar)
UCHIJAAAA TwilightForest{2.3.7} [The Twilight Forest] (twilightforest-1.7.10-2.3.7.jar)
UCHIJAAAA weaponmod{v1.14.3} [Balkon's WeaponMod] (weaponmod-1.14.3.jar)
GL info: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
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'
OptiFine Version: OptiFine_1.7.10_HD_D1
Render Distance Chunks: 12
Mipmaps: 0
Anisotropic Filtering: 1
Antialiasing: 0
Multitexture: false
OpenGlVersion: 4.5.13474 Compatibility Profile Context 22.19.162.4
OpenGlRenderer: Radeon (TM) RX 480 Graphics
OpenGlVendor: ATI Technologies Inc.
CpuCount: 8

Is there a way to fix the issue without removing it, or is the mod simply broken?

Not so. I checked the directory, and neither the balkon's weapon config file nor the one for any other allows for modification of item or block ids.