Почему крашит?! MineCraft 1.7.10

java.lang.NoClassDefFoundError: org/apache/commons/lang3/tuple/Triple
at ivorius.reccomplex.worldgen.inventory.InventoryGenerationHandler.generateAllTags(InventoryGenerationHandler.java:43)
at ivorius.reccomplex.structures.generic.GenericStructureInfo.generate(GenericStructureInfo.java:181)
at ivorius.reccomplex.structures.generic.GenericStructureInfo.generate(GenericStructureInfo.java:52)
at ivorius.reccomplex.worldgen.StructureGenerator.instantly(StructureGenerator.java:99)
at ivorius.reccomplex.worldgen.StructureGenerator.randomInstantly(StructureGenerator.java:78)
at ivorius.reccomplex.worldgen.WorldGenStructures.generate(WorldGenStructures.java:84)
at ivorius.reccomplex.events.RCForgeEventHandler.onPreChunkDecoration(RCForgeEventHandler.java:61)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_32_RCForgeEventHandler_onPreChunkDecoration_Pre.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.world.gen.ChunkProviderGenerate.func_73153_a(ChunkProviderGenerate.java:377)
at net.minecraft.world.gen.ChunkProviderServer.func_73153_a(ChunkProviderServer.java:279)
at net.minecraft.world.chunk.Chunk.func_76624_a(Chunk.java:1055)
at net.minecraft.world.gen.ChunkProviderServer.originalLoadChunk(ChunkProviderServer.java:190)
at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:131)
at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:101)
at net.minecraft.server.MinecraftServer.func_71222_d(MinecraftServer.java:265)
at net.minecraft.server.integrated.IntegratedServer.func_71247_a(IntegratedServer.java:130)
at net.minecraft.server.integrated.IntegratedServer.func_71197_b(IntegratedServer.java:153)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:387)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.lang3.tuple.Triple
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:106)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 21 more

A detailed walkthrough of the error, its code path and all known details is as follows:
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-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.8.0_91, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 124834648 bytes (119 MB) / 422191104 bytes (402 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 5 total; -Xmx1024M -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: 13, tallocated: 95
FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1614 Optifine OptiFine_1.7.10_HD_U_D1 28 mods loaded, 28 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJAAmcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
UCHIJAAFML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1614-1.7.10.