Crash Duplicate Item

[BlueOnyx]

I'd like some help since this is annoying me. Crash Report: 

---- Minecraft Crash Report ----

WARNING: coremods are present:
  TMIForgeLoader (TooManyItems-1.8.jar)
Contact their authors BEFORE contacting forge

// I just don't know what went wrong

Time: 10/30/17 2:36 AM
Description: There was a severe problem during mod loading that has caused the game to fail

net.minecraftforge.fml.common.LoaderException: java.lang.IllegalArgumentException: The name lootplusplus:spiral.gingerbread has been registered twice, for com.tmtravlr.lootplusplus.additions.BlockAdded@59af828a and com.tmtravlr.lootplusplus.additions.BlockAdded@74c2edc.
    at net.minecraftforge.fml.common.registry.GameRegistry.registerBlock(GameRegistry.java:231)
    at net.minecraftforge.fml.common.registry.GameRegistry.registerBlock(GameRegistry.java:188)
    at com.tmtravlr.lootplusplus.config.ConfigLoaderBlocks.loadBlockAdditions(ConfigLoaderBlocks.java:200)
    at com.tmtravlr.lootplusplus.LootPlusPlusMod.afterInit(LootPlusPlusMod.java:218)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:483)
    at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:553)
    at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:483)
    at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
    at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
    at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
    at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
    at com.google.common.eventbus.EventBus.post(EventBus.java:275)
    at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:212)
    at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:190)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:483)
    at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
    at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
    at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
    at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
    at com.google.common.eventbus.EventBus.post(EventBus.java:275)
    at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:297)
    at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:734)
    at net.minecraftforge.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:316)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:491)
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:325)
    at net.minecraft.client.main.Main.main(SourceFile:120)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:483)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.IllegalArgumentException: The name lootplusplus:spiral.gingerbread has been registered twice, for com.tmtravlr.lootplusplus.additions.BlockAdded@59af828a and com.tmtravlr.lootplusplus.additions.BlockAdded@74c2edc.
    at net.minecraftforge.fml.common.registry.FMLControlledNamespacedRegistry.add(FMLControlledNamespacedRegistry.java:422)
    at net.minecraftforge.fml.common.registry.GameData.registerBlock(GameData.java:830)
    at net.minecraftforge.fml.common.registry.GameData.registerBlock(GameData.java:805)
    at net.minecraftforge.fml.common.registry.GameRegistry.registerBlock(GameRegistry.java:220)
    ... 39 more

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

-- System Details --
Details:
    Minecraft Version: 1.8
    Operating System: Windows 7 (amd64) version 6.1
    Java Version: 1.8.0_25, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 81818176 bytes (78 MB) / 369098752 bytes (352 MB) up to 1073741824 bytes (1024 MB)
    JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML: MCP v9.10 FML v8.0.99.99 Minecraft Forge 11.14.4.1563 9 mods loaded, 9 mods active
    States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
    UCHIJ    mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) 
    UCHIJ    FML{8.0.99.99} [Forge Mod Loader] (forge-1.8-11.14.4.1563.jar) 
    UCHIJ    Forge{11.14.4.1563} [Minecraft Forge] (forge-1.8-11.14.4.1563.jar) 
    UCHIJ    TooManyItems{1.8} [TooManyItems] (minecraft.jar) 
    UCHIJ    customnpcs{1.8.0} [CustomNPCs] (Custom-NPCs-Mod-1.8.jar) 
    UCHIJ    golems{2.09} [Extra Golems] (Extra-Golems-Mod-1.8.jar) 
    UCHIE    lootplusplus{1.7.1_for_1.8} [Loot++] (Loot++-1.7.1_for_1.8.jar) 
    UCHIJ    lucky{7.0.1} [Lucky Block] (Lucky-Block-Mod-1.8.zip) 
    UCHIJ    potioncore{1.3_for_1.8} [Potion Core] (Potion-Core-1.8.jar) 
    Loaded coremods (and transformers): 
TMIForgeLoader (TooManyItems-1.8.jar)
  TMIForgeTransformer
    GL info: ' Vendor: 'ATI Technologies Inc.' Version: '4.5.13464 Compatibility Profile Context 21.19.407.0' Renderer: 'AMD Radeon(TM) R2 Graphics'

[BlueOnyx]

My friend has the exact same stuff as me and got it to work perfectly fine