I also get a crash similar to this when I create a new world with the mod installed.

---- Minecraft Crash Report ----
// Quite honestly, I wouldn't worry myself about that.

Time: 4/23/15 9:31 PM
Description: Exception in server tick loop

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:185)
at ivorius.reccomplex.structures.generic.GenericStructureInfo.generate(GenericStructureInfo.java:56)
at ivorius.reccomplex.worldgen.StructureGenerator.instantly(StructureGenerator.java:83)
at ivorius.reccomplex.worldgen.StructureGenerator.randomInstantly(StructureGenerator.java:61)
at ivorius.reccomplex.worldgen.WorldGenStructures.generate(WorldGenStructures.java:75)
at ivorius.reccomplex.events.RCForgeEventHandler.onPreChunkDecoration(RCForgeEventHandler.java:60)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_317_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:138)
at com.teammetallurgy.atum.world.AtumChunkProvider.func_73153_a(AtumChunkProvider.java:434)
at net.minecraft.world.gen.ChunkProviderServer.func_73153_a(ChunkProviderServer.java:279)
at net.minecraft.world.chunk.Chunk.func_76624_a(Chunk.java:1045)
at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:52)
at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:12)
at net.minecraftforge.common.util.AsynchronousExecutor$Task.finish(AsynchronousExecutor.java:189)
at net.minecraftforge.common.util.AsynchronousExecutor.finishActive(AsynchronousExecutor.java:354)
at net.minecraftforge.common.chunkio.ChunkIOExecutor.tick(ChunkIOExecutor.java:30)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:596)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:111)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427)
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$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$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)
... 23 more

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

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_67, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 153794208 bytes (146 MB) / 3437756416 bytes (3278 MB) up to 3817865216 bytes (3641 MB)
JVM Flags: 4 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms3072m -Xmx4096m -XX:PermSize=256m
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 v7.10.114.1388 Minecraft Forge 10.13.3.1388 83 mods loaded, 82 mods active
mcp{9.05} Minecraft Coder Pack Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{7.10.114.1388} Forge Mod Loader Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{10.13.3.1388} Minecraft Forge Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CodeChickenCore{1.0.5.37} CodeChicken Core Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ivtoolkit{IvToolkit} 1.1.1 Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NotEnoughItems{1.0.4.95} Not Enough Items Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
OpenModsCore{0.7.1} OpenModsCore Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
{000} CoFH ASM Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_ThreadedLighting{1.7.10-1.0} Threaded Lighting Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
gilded-games-util{1.7.10-1.1} [Gilded Games Utility](gilded-games-util %281%29.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
betterloadingscreen{1.3.0} [Better Loading Screen]([1.7.10] BetterLoadingScreen-1.3.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
AccidentallyCircumstantialEvents{1.4.1} Accidentally Circumstantial Events Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
achieveson{1.0.1} AchieveSON Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
aether{Alpha 1.7.10-1.3} [Aether II](aether %282%29.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
koresample{1.7.10-1.2.5} Kore Sample Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
dendrology{1.7.10-1.3.1} Ancient Trees Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Apocalypse{0.0.6} §cApocalypse§r Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
atum{0.6} Atum Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Baubles{1.0.1.10} Baubles Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BiomeTweaker{0.7.49} BiomeTweaker Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
qmunitylib{1.0} QmunityLib Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
bluepower{0.2.927} Blue Power Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Botania{r1.6-182} [Botania](Botania r1.6-182.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CarpentersBlocks{3.3.6} [Carpenter's Blocks](Carpenter's Blocks v3.3.6 - MC 1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ChickenChunks{1.3.4.19} ChickenChunks Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
TwilightForest{2.3.5} The Twilight Forest Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
chisel{2.3.10.37} Chisel 2 Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Ztones{1.7.10} Ztones Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
chiseltones{@Version@} Chisel Tones Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CoFHCore{1.7.10R3.0.2} CoFH Core Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
customitems{1.0.9b} Meta Mod: Custom Items Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CustomOreGen{1.2.18} Custom Ore Generation Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
D3Core{1.1.0.18} D3Core Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
menagerie{1.0} menagerie Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
props{1.12} Decocraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
difficultlife{1.0.1710.0dev} [Difficult Life](Difficult Life-1.0.1710.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Enchiridion2{2.0f} [Enchiridion 2](Enchiridion 2-1.7.10-2.0f.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
EnderIO{1.7.10-2.2.8.367} Ender IO Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
EnderStorage{1.4.7.32} EnderStorage Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
EnderZoo{1.7.10-1.0.9.18} Ender Zoo Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ExtraUtilities{1.2.4b} Extra Utilities Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
HardcoreEnderExpansion{1.7.1} [Hardcore Ender Expansion](HardcoreEnderExpansion MC-1.7.10 v1.7.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
heartdrop{1.3.2} Heart Drop Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
hungerstrike{1.7.10.4} Hunger Strike Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
InfernalMobs{1.6.0} Infernal Mobs Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
infernalskycolor{0.8} Infernal Sky Color Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
IronChest{6.0.62.742} Iron Chest Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Waila{1.5.10} Waila Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
JABBA{1.2.1} JABBA Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
journeymap{5.0.1} JourneyMap Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
magnanimoustools{0.1.4a} Magnanimous Tools Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineTweaker3{3.0.9B} MineTweaker 3 Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MTRM{1.0} MineTweakerRecipeMaker Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MobProperties{0.3.5} Mob Properties Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
modtweaker2{0.7} [Mod Tweaker 2](ModTweaker 2-0.7.5.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NEIAddons{1.12.5.17} NEI Addons Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NEIAddons|Botany{1.12.5.17} NEI Addons: Botany Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NEIAddons|Forestry{1.12.5.17} NEI Addons: Forestry Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NEIAddons|CraftingTables{1.12.5.17} NEI Addons: Crafting Tables Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NEIAddons|ExNihilo{1.12.5.17} NEI Addons: Ex Nihilo Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
neiintegration{1.0.8} NEI Integration Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
neresources{0.1.0.95} Not Enough Resources Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
OpenMods{0.7.1} OpenMods Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
OpenBlocks{1.4.1} OpenBlocks Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
PerfectSpawn{1.1} Perfect Spawn Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
PlaceableTools{1.1.0.25} PlaceableTools Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
plantmegapack{4.16} Plant Mega Pack Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Progression{0.3.3} Progression Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
RandomThings{2.2.4} Random Things Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
reccomplex{0.9.6.1} Recurrent Complex Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
libsandstone{1.0.0} libsandstone Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
xreliquary{1.2} Reliquary Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ResourceLoader{1.1} Resource Loader Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
scottstweaks{1.7.10-1.3.0} Scott's Tweaks Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
SSTOW{1.7.10-0.1-RC9-7} Soul Shards: The Old Ways Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
SpecialAI{1.1.1} Special AI Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
SpecialMobs{3.1.1} Special Mobs Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
sprinkles_for_vanilla{1.2.0beta} sprinkles_for_vanilla Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
StorageDrawers{1.7.10-1.3.9} Storage Drawers Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
erebus{0.2a} Erebus Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
wawla{1.2.1} What Are We Looking At Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
dropchevsky{b3} World Drop Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BiomeTweakerCore{0.7.49} BiomeTweaker Core Unloaded->Disabled
OpenModsLib class transformers: [gl_capabilities_hook:FINISHED],[player_render_hook:FINISHED],[map_gen_fix:FINISHED],[movement_callback:FINISHED],[stencil_patches:FINISHED]
CoFHCore: -[1.7.10]3.0.2-262
Stencil buffer state: Function set: GL30, pool: internal, bits: 8
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Player Count: 1 / 8; [EntityPlayerMP['numbah90'/345, l='HAVIN' THAT HUECGH', x=-640.98, y=63.00, z=153.31]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'

Duplicate of #16 - please continue the discussion there.