Equip Flügel tiara, get:

---- Minecraft Crash Report ----
// Daisy, daisy...

Time: 18-8-15 19:02
Description: Ticking entity

java.lang.NoClassDefFoundError: codechicken/lib/vec/Vector3
at vazkii.botania.common.item.equipment.bauble.ItemFlightTiara.onWornTick(ItemFlightTiara.java:176)
at baubles.common.event.EventHandlerEntity.playerTick(EventHandlerEntity.java:31)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_9_EventHandlerEntity_playerTick_LivingUpdateEvent.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.minecraftforge.common.ForgeHooks.onLivingUpdate(ForgeHooks.java:287)
at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:1560)
at net.minecraft.entity.player.EntityPlayer.func_70071_h_(EntityPlayer.java:288)
at net.minecraft.client.entity.EntityClientPlayerMP.func_70071_h_(SourceFile:63)
at net.minecraft.world.World.func_72866_a(World.java:2070)
at net.minecraft.world.World.func_72870_g(World.java:2034)
at net.minecraft.world.World.func_72939_s(World.java:1887)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:2006)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:973)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:898)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

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

-- Head --
Stacktrace:
at vazkii.botania.common.item.equipment.bauble.ItemFlightTiara.onWornTick(ItemFlightTiara.java:176)
at baubles.common.event.EventHandlerEntity.playerTick(EventHandlerEntity.java:31)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_9_EventHandlerEntity_playerTick_LivingUpdateEvent.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.minecraftforge.common.ForgeHooks.onLivingUpdate(ForgeHooks.java:287)
at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:1560)
at net.minecraft.entity.player.EntityPlayer.func_70071_h_(EntityPlayer.java:288)
at net.minecraft.client.entity.EntityClientPlayerMP.func_70071_h_(SourceFile:63)
at net.minecraft.world.World.func_72866_a(World.java:2070)
at net.minecraft.world.World.func_72870_g(World.java:2034)

-- Entity being ticked --
Details:
Entity Type: null (net.minecraft.client.entity.EntityClientPlayerMP)
Entity ID: 219
Entity Name: Hyxaru
Entity's Exact location: 157,64, 82,90, 248,27
Entity's Block location: World: (157,82,248), Chunk: (at 13,5,8 in 9,15; contains blocks 144,0,240 to 159,255,255), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Entity's Momentum: 0,00, 0,00, 0,00
Stacktrace:
at net.minecraft.world.World.func_72939_s(World.java:1887)

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityClientPlayerMP['Hyxaru'/219, l='MpServer', x=157,64, y=82,90, z=248,27]]
Chunk stats: MultiplayerChunkCache: 81, 81
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (140,64,256), Chunk: (at 12,4,0 in 8,16; contains blocks 128,0,256 to 143,255,271), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 1409 game time, 1409 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
Forced entities: 74 total; [EntitySkeleton['Skeleton'/2056, l='MpServer', x=216,78, y=32,00, z=211,38], EntityWolf['Wolf'/77, l='MpServer', x=76,50, y=68,40, z=257,50], EntitySkeleton['Skeleton'/2638, l='MpServer', x=191,50, y=20,00, z=270,50], EntityWolf['Wolf'/80, l='MpServer', x=76,50, y=66,40, z=263,50], EntityWolf['Wolf'/83, l='MpServer', x=83,50, y=64,00, z=311,50], EntityWolf['Wolf'/84, l='MpServer', x=81,31, y=64,00, z=292,78], EntityWolf['Wolf'/109, l='MpServer', x=116,50, y=67,00, z=229,50], EntityWolf['Wolf'/110, l='MpServer', x=118,50, y=66,00, z=230,50], EntityWolf['Wolf'/111, l='MpServer', x=117,50, y=66,00, z=228,50], EntityWolf['Wolf'/112, l='MpServer', x=116,63, y=68,00, z=221,66], EntityWolf['Wolf'/113, l='MpServer', x=110,59, y=72,00, z=247,69], EntityWolf['Wolf'/114, l='MpServer', x=105,22, y=73,00, z=264,69], EntityWolf['Wolf'/115, l='MpServer', x=104,25, y=73,00, z=264,50], EntityWolf['Wolf'/116, l='MpServer', x=109,66, y=69,00, z=271,31], EntitySheep['Sheep'/118, l='MpServer', x=105,19, y=67,00, z=278,06], EntityWolf['Wolf'/121, l='MpServer', x=112,28, y=69,00, z=298,06], EntityWolf['Wolf'/122, l='MpServer', x=105,59, y=64,00, z=295,97], EntityWolf['Wolf'/123, l='MpServer', x=109,59, y=63,00, z=296,84], EntityWolf['Wolf'/124, l='MpServer', x=103,44, y=67,00, z=277,09], EntityWolf['Wolf'/125, l='MpServer', x=122,28, y=66,00, z=304,34], EntityWolf['Wolf'/126, l='MpServer', x=115,50, y=64,00, z=298,50], EntityWolf['Wolf'/127, l='MpServer', x=119,50, y=65,00, z=296,50], EntityWolf['Wolf'/128, l='MpServer', x=117,50, y=64,00, z=301,50], EntityWolf['Wolf'/141, l='MpServer', x=125,53, y=68,00, z=178,03], EntityWolf['Wolf'/142, l='MpServer', x=131,50, y=61,40, z=174,50], EntityWolf['Wolf'/143, l='MpServer', x=131,56, y=61,40, z=175,44], EntityWolf['Wolf'/144, l='MpServer', x=130,34, y=64,00, z=177,66], EntityWolf['Wolf'/145, l='MpServer', x=120,69, y=73,00, z=280,50], EntityWolf['Wolf'/146, l='MpServer', x=126,50, y=72,00, z=284,50], EntityWolf['Wolf'/147, l='MpServer', x=136,06, y=77,00, z=290,69], EntityWolf['Wolf'/148, l='MpServer', x=129,78, y=76,00, z=286,31], EntityWolf['Wolf'/153, l='MpServer', x=183,47, y=85,00, z=253,88], EntityWolf['Wolf'/154, l='MpServer', x=187,66, y=82,00, z=258,50], EntityWolf['Wolf'/155, l='MpServer', x=188,53, y=87,00, z=256,94], EntityWolf['Wolf'/156, l='MpServer', x=184,28, y=80,00, z=252,44], EntityItem['item.tile.cloth.white'/4764, l='MpServer', x=204,13, y=89,13, z=253,63], EntityWolf['Wolf'/162, l='MpServer', x=196,75, y=68,00, z=206,00], EntityWolf['Wolf'/163, l='MpServer', x=194,66, y=68,00, z=198,69], EntityWolf['Wolf'/164, l='MpServer', x=194,50, y=68,00, z=206,50], EntityWolf['Wolf'/165, l='MpServer', x=194,50, y=68,00, z=205,50], EntityWolf['Wolf'/166, l='MpServer', x=185,50, y=70,00, z=218,50], EntityWolf['Wolf'/167, l='MpServer', x=184,50, y=70,00, z=218,50], EntityWolf['Wolf'/168, l='MpServer', x=188,50, y=69,00, z=218,50], EntityWolf['Wolf'/169, l='MpServer', x=184,50, y=70,00, z=218,50], EntityWolf['Wolf'/170, l='MpServer', x=197,50, y=72,00, z=315,50], EntityWolf['Wolf'/171, l='MpServer', x=185,94, y=69,00, z=319,69], EntityWolf['Wolf'/172, l='MpServer', x=186,47, y=65,40, z=322,94], EntityWolf['Wolf'/173, l='MpServer', x=194,50, y=66,40, z=321,50], EntitySkeleton['Skeleton'/2737, l='MpServer', x=137,50, y=18,00, z=262,50], EntityZombie['Zombie'/4786, l='MpServer', x=124,50, y=30,00, z=292,50], EntityZombie['Zombie'/4787, l='MpServer', x=126,50, y=30,00, z=294,50], EntityZombie['Zombie'/4788, l='MpServer', x=122,50, y=30,00, z=290,50], EntitySheep['Sheep'/182, l='MpServer', x=205,72, y=88,00, z=256,06], EntitySheep['Sheep'/185, l='MpServer', x=204,38, y=89,00, z=251,16], EntityWolf['Wolf'/191, l='MpServer', x=220,50, y=82,00, z=261,50], EntityWolf['Wolf'/192, l='MpServer', x=204,69, y=89,00, z=253,50], EntityWolf['Wolf'/194, l='MpServer', x=223,50, y=82,00, z=259,50], EntityZombie['Zombie'/4818, l='MpServer', x=203,50, y=25,00, z=316,50], EntityItem['item.tile.cloth.silver'/4840, l='MpServer', x=100,25, y=68,13, z=272,75], EntityClientPlayerMP['Hyxaru'/219, l='MpServer', x=157,64, y=82,90, z=248,27], EntitySkeleton['Skeleton'/4380, l='MpServer', x=116,28, y=45,00, z=275,31], EntityBat['Bat'/4416, l='MpServer', x=150,25, y=33,20, z=298,13], EntityBat['Bat'/4418, l='MpServer', x=148,78, y=32,70, z=298,13], EntityBat['Bat'/865, l='MpServer', x=207,16, y=17,04, z=246,34], EntityBat['Bat'/866, l='MpServer', x=212,41, y=23,98, z=239,09], EntityZombie['Zombie'/5015, l='MpServer', x=193,50, y=20,00, z=268,50], EntityBat['Bat'/409, l='MpServer', x=156,67, y=32,00, z=291,32], EntityZombie['Zombie'/2457, l='MpServer', x=150,50, y=29,00, z=296,50], EntityItem['item.tile.cloth.white'/4508, l='MpServer', x=205,16, y=87,13, z=256,63], EntityItem['item.tile.cloth.white'/4512, l='MpServer', x=108,06, y=69,13, z=271,59], EntityZombie['Zombie'/424, l='MpServer', x=76,50, y=13,37, z=292,50], EntityZombie['Zombie'/2515, l='MpServer', x=97,50, y=15,00, z=288,50], EntitySlime['Slime'/994, l='MpServer', x=213,22, y=39,00, z=200,22], EntityCreeper['Creeper'/493, l='MpServer', x=152,50, y=33,00, z=287,50]]
Retry entities: 0 total; []
Server brand: fml,forge
Server type: Integrated singleplayer server
Stacktrace:
at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:373)
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2444)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:919)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 8.1 (amd64) version 6.3
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 367674720 bytes (350 MB) / 535093248 bytes (510 MB) up to 2120679424 bytes (2022 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn256M
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 10.13.4.1492 5 mods loaded, 5 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
UCHIJAAAA FML{7.10.99.99} Forge Mod Loader
UCHIJAAAA Forge{10.13.4.1492} Minecraft Forge
UCHIJAAAA Baubles{1.0.1.10} Baubles
UCHIJAAAA Botania{r1.7-210} [Botania](Botania r1.7-210.jar)
GL info: ' Vendor: 'Intel' Version: '3.1.0 - Build 9.17.10.4229' Renderer: 'Intel(R) HD Graphics 3000'
Launched Version: 1.7.10-Forge10.13.4.1492-1.7.10
LWJGL: 2.9.1
OpenGL: Intel(R) HD Graphics 3000 GL version 3.1.0 - Build 9.17.10.4229, Intel
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: []
Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Anisotropic Filtering: Off (1)

._____________.