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Crash report:

---- Minecraft Crash Report ----
// Everything's going to plan. No, really, that was supposed to happen.

Time: 12/7/15 3:05 PM
Description: Updating screen events

java.lang.NoClassDefFoundError: io/netty/bootstrap/ServerBootstrap
at net.minecraft.network.NetworkSystem.func_151270_a(NetworkSystem.java:107)
at net.minecraft.client.Minecraft.func_71371_a(Minecraft.java:2136)
at net.minecraft.client.gui.GuiCreateWorld.func_146284_a(GuiCreateWorld.java:230)
at net.minecraft.client.gui.GuiScreen.func_73864_a(GuiScreen.java:225)
at net.minecraft.client.gui.GuiCreateWorld.func_73864_a(GuiCreateWorld.java:377)
at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:296)
at net.minecraft.client.gui.GuiScreen.func_146269_k(GuiScreen.java:268)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1640)
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(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.ClassNotFoundException: io.netty.bootstrap.ServerBootstrap
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 17 more
Caused by: java.lang.NoClassDefFoundError: io/netty/bootstrap/AbstractBootstrap
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
... 19 more
Caused by: java.lang.ClassNotFoundException: io.netty.bootstrap.AbstractBootstrap
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:101)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 23 more

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

-- Head --
Stacktrace:
at net.minecraft.network.NetworkSystem.func_151270_a(NetworkSystem.java:107)
at net.minecraft.client.Minecraft.func_71371_a(Minecraft.java:2136)
at net.minecraft.client.gui.GuiCreateWorld.func_146284_a(GuiCreateWorld.java:230)
at net.minecraft.client.gui.GuiScreen.func_73864_a(GuiScreen.java:225)
at net.minecraft.client.gui.GuiCreateWorld.func_73864_a(GuiCreateWorld.java:377)
at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:296)
at net.minecraft.client.gui.GuiScreen.func_146269_k(GuiScreen.java:268)

-- Affected screen --
Details:
Screen name: net.minecraft.client.gui.GuiMainMenu
Stacktrace:
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1640)
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(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
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: Mac OS X (x86_64) version 10.10.1
Java Version: 1.8.0_60, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 121100728 bytes (115 MB) / 954728448 bytes (910 MB) up to 954728448 bytes (910 MB)
JVM Flags: 1 total; -Xmx1G
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 10.13.4.1492 Optifine OptiFine_1.7.10_HD_U_B8 34 mods loaded, 34 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJAAA mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
UCHIJAAA FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1492-1.7.10.jar)
UCHIJAAA Forge{10.13.4.1492} [Minecraft Forge] (forge-1.7.10-10.13.4.1492-1.7.10.jar)
UCHIJAAA CodeChickenCore{1.0.7.46} [CodeChicken Core] (minecraft.jar)
UCHIJAAA NotEnoughItems{1.0.5.110} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.5.110-universal.jar)
UCHIJAAA se{0.4.1} [Super Enchants] (minecraft.jar)
UCHIJAAA OreSpawn{1.7.10.20} [OreSpawn] (_Ore-Spawn-Mod-1.7.10.zip)
UCHIJAAA adventurebackpack{1.7.10-0.8b} [Adventure Backpack] (adventurebackpack-1.7.10-0.8b.jar)
UCHIJAAA BiblioCraft{1.11.4} [BiblioCraft] (BiblioCraft[v1.11.4][MC1.7.10].jar)
UCHIJAAA CarpentersBlocks{3.3.7} [Carpenter's Blocks] (Carpenter's Blocks v3.3.7 - MC 1.7.10.jar)
UCHIJAAA chisel{2.5.1.44} [Chisel 2] (Chisel2-2.5.1.44.jar)
UCHIJAAA DamageIndicatorsMod{3.2.0} [Damage Indicators] (Damage-Indicators-Mod-1.7.10.jar)
UCHIJAAA PTRModelLib{1.0.0} [PTRModelLib] (Decocraft-2.1.1_1.7.10.jar)
UCHIJAAA props{2.1.1} [Decocraft] (Decocraft-2.1.1_1.7.10.jar)
UCHIJAAA deconstruction{2.2.5} [The Deconstruction Mod] (Deconstruction-Table-Mod-1.7.10.jar)
UCHIJAAA thebombzenapi{2.4.1} [ThebombzenAPI] (Thebombzen-API-1.7.10.jar)
UCHIJAAA enchantview{4.0.4} [EnchantView] (EnchantView-Mod-1.7.10.jar)
UCHIJAAA ExtraUtilities{1.2.11} [Extra Utilities] (extrautilities-1.2.11.jar)
UCHIJAAA iChunUtil{4.2.2} [iChunUtil] (iChunUtil-4.2.2.jar)
UCHIJAAA InventoryPets{1.3.6} [Inventory Pets] (inventorypets-1.7.10-1.3.6-universal.jar)
UCHIJAAA IronChest{6.0.62.742} [Iron Chest] (ironchest-1.7.10-6.0.62.742-universal.jar)
UCHIJAAA legends{1.3} [Legends Mod] (Legends Core-1.3.jar)
UCHIJAAA malisiscore{1.7.10-0.12.9} [MalisisCore] (malisiscore-1.7.10-0.12.9.jar)
UCHIJAAA malisisdoors{1.7.10-1.10} [Malisis' Doors] (malisisdoors-1.7.10-1.10.jar)
UCHIJAAA morehealth{6.0} [More Health Forge] (More-Health-Enhanced-Mod-1.7.10.zip)
UCHIJAAA Morph{0.9.1} [Morph] (Morphing-Mod-1.7.10.jar)
UCHIJAA cfm{3.4.8} [�9MrCrayfish's Furniture Mod] (MrCrayfishFurnitureModv3.4.8(1.7.10).jar)
UCHIJAA PortalGun{4.0.0-beta-5} [PortalGun] (Portal-Gun-Mod-1.7.10.jar)
UCHIJAA secretroomsmod{@[email protected]} [The SecretRoomsMod] (Secret-Rooms-Mod-1.7.10.jar)
UCHIJAA SSR{Alpha 0.9a} [Soul Shards: Reborn] (Soul-Shards-Reborn-Mod-1.7.10.jar)
UCHIJAA sus{4.2.1} [Superheroes Unlimited Mod] (Superheroes Unlimited Mod-1.7.10-4.2.1.jar)
UCHIJAA susaddon{4.2.1} [Superheroes Unlimited Mod (Part 2)] (Superheroes Unlimited Mod-1.7.10-4.2.1.jar)
UCHIJAA transformers{${version}} [Transformers Mod] (Transformers-1.7.10-0.5.9.jar)
UCHIJAA witchery{0.24.1} [Witchery] (witchery-1.7.10-0.24.1.jar)
Launched Version: 1.7.10
LWJGL: 2.9.1
OpenGL: NVIDIA GeForce GT 750M OpenGL Engine GL version 2.1 NVIDIA-10.0.43 310.41.05f01, NVIDIA Corporation
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because ARB_framebuffer_object 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: [BS BLACK - (PeteZahHutt Edit).zip, Lively Default.zip]
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)