Crashes at promotion screen

[Jathulioh]

Every time I try and promote someone my game crashes.
It is heavily modded so... I could use some help trying to fix it.

FIX: Removed better labs

Here is my mod list

Augments
OneMillionColours
ArmsShoulders
AlliesUnknownRedux
KatanaMod
SoldiersWearArmour
Missing_FX_Package_Resource
WOTC_Tali_Squadmate
WOTC_Garrus_Squadmate
CerberusTroopVoicepack-WOTC
AlliesUnknownEvacZoneFix
BioticClassRedux
InvisibleHeroUnitsBodyParts
WOTC_Legion_Squadmate
WOTC_Shepard_Squadmate
OverflowAP
EmptyWOTCDecoSlotsforXCOMSoldiers
SWAliensBaseHeadsWOTC
SWAliensZabrakWOTC
SWAliensTwileksWOTC
SWAliensCantinaDenizensWOTC
SWAliensScumVillainyWOTC
WotCModEverythingReloaded
WOTC_Grunt_Squadmate
WOTC_Wrex_Squadmate
WOTC_Liara_Squadmate
CloneTrooperVoicePackUPDATE2017WOTC
WOTC_Palaven_Update
ImTheCommanderHere
WOTC_Kerrigan_Squadmate
[WotC]StarCraft2VoiceModPart2
WOTC_Mordin_Squadmate
WOTC_Nova_Squadmate
WOTC_Kasumi_Squadmate
WOTC_Thessia_Update
OneMillionColoursPluginForWOTC
MEAshleyWilliamsWOTC
X2WOTCCommunityHighlander
WOTC_ABetterStart
WOTC_ABetterRookie
WotCStealthOverhaul
WotCCombatKnives
TacticalSuppressors
UnrestrictedCustomization
WOTC_LW2SecondaryWeapons
PrimarySecondaries
WOTC_PointBasedNCE
BetterSecondWaveSupport
WOTC_Miranda_Squadmate
MoreResistanceOrderpages
WOTC_Jack_Squadmate
XCOM2RPGOverhaul
UtilitySlotSidearmsExtendedWOTC
WotC_VestSlot
Augmentations
MarkZeroAugments
HaloElites
MassEffectVorcha
MassEffectCollector
MassEffectDragoon
MassEffectSlayer
WotCBallisticShields
MassEffectJavik
MassEffectTalon
MassEffectPaladin
MassEffectBatarian
MassEffectDestroyer
MassEffectInfiltrator
DualWieldMelee
MassEffectAllianceUniform
M8AvengerAssaultRifle
MassEffectSoldier
MassEffectDemolisher
M96Mattock
WOTC_Hair_Pack
LosttoBlackwingInfected
DualWieldedPistols
AkimboClass
RGPOAkimboClass
MechatronicWarfare
Uniforms
MassEffectAdept
M97Viper_Sniper_Rifle
M23Katana_Shotgun
M3Predator_Pistol
CatastrophicVictories
WOTCOpenWeaponRestrictions
CannonAnimationRedux
X2JediClassWOTC
MassEffectOmniBlade
WOTC_Female_Clothing_Pack
AlienArmorCustomization
IridarsPsiOverhaul
MassEffectMercenaries
MassEffectKrogans
RPGOverhaulJediSpecialization
StartingPsiAmps
WOTCHeroPerks
WOTC_Male_Hair_Pack
MassEffectEngineer
N7Weapons
GethPulseRIfle
Cat6Mercenaries
MassEffectAllianceTrooper
MassEffectEdi
MassEffectCerberus
WOTC_Thane_Squadmate
WOTC_Head_Pack
WOTCHeroPerksRPGOPlugin
SubjectZero'sTattoo
Stormtrooper
GarrusVakarianVoicepack
ShepardVoicepack
TaliZorahVoicePack
WrexVoicePack
MordinSolusVoicePack
JackVoicepack
LiaraT'SoniVoicePack
ThaneKriosVoicePack
StormTrooperVoicePack
Joker
UrdnotGruntVoicePack
LegionVoicePack
EDIVoicePack
InvisibleHeads
LegionGethHead
ModConfigMenu
BetterLabs
JackVoicePack-Galw1n'sEdition
AshleyWilliamsVoicePack
SPARKGethPrimeVoicePack
MusicModdingSystem
JacobVoicePack
MirandaVoicePack(Galw1n'sEdition)
ZaeedVoicePack(Galw1n'sEdition)
KasumiVoicePack(Galw1n'sEdition)
JamesVoicePack(Galw1n'sEdition)
KaidenAlenkoVoicePack
SamaraVoicePack
LiaraVoicePack(Galw1n'sEdition)
JavikVoicePack
MassEffectMusicPack
OldRepublicHKVoicePack
HaloReachEliteVoicePack
AddedPartNames
GarrusVakarianVoicePack
AriaT'LoakVoicepack
NyreenKandrosVoicePack
SarenVoice
KirraheVoicePack
BobaFettWOTC

[Jathulioh]

As an update I've tested all the rpgo overhaul mods and removing them doesn't make a difference

[Dragon32]

Have you seen this great Mod Troubleshooting advice.
That recommends the excellent Community Mod Launcher[github.com], which everyone who uses mods should be using.
This guide gives some more detailed advice on using the Community Mod Launcher: Troubleshooting: Mods not working properly / at all
If you've just switched from the Firaxis Launcher, or are forced to use it, read the "Mods not activating/deactivating properly in WOTC" section of Mod not working? Mods still have their effects after you disable them?
If you're using the Community Highlander then read its specific troubleshooting advice[github.com].

[Jathulioh]

Fixed it
Better labs broke for some reason