ok so i have tried using mob controller to remove the mob from naturaly spawn but dont know how to use the mod.

Betweenlands version:

3.7.2

Forge version:

14.23.5.2854

Singleplayer or Multiplayer:

Sinlgeplayer

Installed mods:
YUNG's Better Caves (Forge) (by YUNGNICKYOUNG)
Treecapitator Updated (by ZenCoder)
Born in a Barn (by Speiger)
Improved Mobs (by flemmli97)
Trinkets and Baubles (by XzeroAir)
Level Up! Reloaded (by BeetoGuy)
EnhancedVisuals (by CreativeMD)
Millénaire (by Forge_User_19081085)
Spartan Shields (by ObliviousSpartan)
So Many Enchantments (by ShelterRin)
Shatter (by ohaiiChun)
Atum 2: Return to the Sands (by Shadowclaimer)
Spartan Weaponry (by ObliviousSpartan)
Spartan and Fire (by cbkovak)
YUNG's Better Mineshafts (Forge) (by YUNGNICKYOUNG)
Dynamic Lights (by atomicstrykergrumpy)
AtomicStryker's Infernal Mobs (by atomicstrykergrumpy)
CraftStudio API (by Forge_User_28373694)
Weather, Storms & Tornadoes (by Corosus)
LevelHearts (by FireController1847)
Dynamic Trees (by ferreusveritas)
XP From Harvest (by ReaIGecko)
CoroUtil (by Corosus)
Multi Mine (by atomicstrykergrumpy)
Sit (by bl4ckscor3)
Better Survival mod (by block_vader)
Davincis Vessels (by darkevilmac)
MovingWorld (by darkevilmac)
Kaishi's Weapons REBORN [1.12.2 | 2018] (by Forge_User_31480707)
Serene Seasons (by TheAdubbz)
Tough As Nails (by TheAdubbz)
Callable Horses (by Tschipp)
Better Combat Rebirth (by SanAndreasP)
Mob Controller (by TheAwesomeGem)
Corpse Complex (by TheIllusiveC4)
Mutant Beasts (by Chumbanotz)
Wumple Util Library (by Stormwind99)
Animania Base (by Purplicious_Cow_)
AlcatrazCore (by AlcatrazEscapee)
SwingThroughGrass (by exidex)
The Twilight Forest (by Benimatic)
Custom Main Menu (by Lumien231)
ISeeDragons (by xcube16)
Village Spawn Point (by Serilum)
TenshiLib (by flemmli97)
Ice and Fire: Dragons (by alex1the1666)
XP Tome (by bl4ckscor3)
Food Expansion (by Lellson8)
Food Funk (by Stormwind99)
Antique Atlas (by Hunternif)
Extra Bows (by MrMarnic)
Xaero's Minimap (by xaero96)
MineTweaker RecipeMaker (by DoubleDoorDev)
RLTweaker (by Charles445)
Foam​Fix (by asiekierka)
No Tree Punching (by AlcatrazEscapee)
Waystones (by BlayTheNinth)
Recurrent Complex (by Ivorforce)
Just Enough Items (JEI) (by mezz)
CreativeCore (by CreativeMD)
Forgotten Items (by Tschipp)
TschippLib (by Tschipp)
Progressive Bosses (by Insane96MCP)
Switch-Bow (by White_Draco)
LLibrary (by _ForgeUser11902522)
AI Reducer (by Charles445)
bspkrsCore Updated (by ZenCoder)
Doomlike Dungeons (by JaredBGreat)
IvToolkit (by Ivorforce)
Neat (by Vazkii)
Matchlock Guns (by korallkarlsson)
CraftTweaker (by Jaredlll08)
Age of Weapons (by XxRexRaptorxX)
iChunUtil (by ohaiiChun)
Reforged (by ThexXTURBOXx)

Link to full crash log
https://gist.github.com/Figgmastah/cb03673ff7bf034d16223af655cc5434#file-minecraft-crash-report

Link to full latest log
https://gist.github.com/Figgmastah/1ac11ccc696c1844140ad5e143c92ac4

How to reproduce the problem:

1. get close to a infestation mob

Expected result:
game not crashing and working as intended

Actual result:
game crashing and not working as intended