Problem Hello i need help with a bug

[Johnycraft]

Hello so I am playing on a custom mod pack I made and I am having an issue where I am not having any hostile mobs spawn and I am in hard difficulty any help would be great here is my load order. thanks for any help you may be able to give.

Load Order:
Applied Energistics
Applied Integrations
Baubles
Better Foliage
Better Questing
BetterFps
BiblioCraft
Botania
Buildcraft Compat
BuildCraft|Builders
BuildCraft|Core
BuildCraft|Energy
BuildCraft|Factory
BuildCraft|Robotics
BuildCraft|Silicon
BuildCraft|Transport
Chisels & Bits
CodeChicken Lib 1.8.+
Custom NPCs
Davincis Vessels
Dynamic Surroundings
Dynamic Trees
Ender IO
Ender Storage 1.8.+
EnderCore
Extra Utilities
GraveStone Mod
Guide-API
Hatchery
ICBM - Classic
iChunUtil
Inventory Tweaks
Just Enough Items (JEI)
Let Sleeping Dogs Lie
Mantle
Mekanism
Mekanism Generators
Minecraft Comes Alive (MCA)
Morph
MrCrayfish's Furniture Mod
Not Enough Items 1.8.+
Ore Excavation
OreLib
Pam's HarvestCraft
RadixCore
RWBYM
Serene Seasons
Shadowfacts' Forgelin
Sit
Sound Filters
Spartan Shields
Spartan Weaponry
Tails
Thaumcraft
Tinkers Construct
Traveller's Backpack
Vampirism - Become a vampire!
Vampirism Integrations
WorldEdit
Xaero's Minimap
Xaero's World Map
XL Food Mod