Strangely enough, though, loading an old test savegame into Camp McCarran seems to work perfectly.
Here's my load order:
Spoiler
falloutnv.esm
FalloutNV.esm
DeadMoney.esm
HonestHearts.esm
OldWorldBlues.esm
LonesomeRoad.esm
GunRunnersArsenal.esm
ClassicPack.esm
MercenaryPack.esm
TribalPack.esm
CaravanPack.esm
CFWNV.esm
NSkies URWLified.esm
Project Nevada - Core.esm
Project Nevada - Equipment.esm
Project Nevada - Rebalance.esp
Project Nevada - Cyberware.esp
Mission Mojave - Ultimate Edition.esp
MMUE+.esp
MMUE POP.esp
DarNifiedUINV.esp
The Weapon Mod Menu.esp
Better Burned Man.esp
The New Bison Steve Hotel.esp
Project Nevada - Dead Money.esp
Project Nevada - Honest Hearts.esp
Project Nevada - Old World Blues.esp
Project Nevada - Lonesome Road.esp
Project Nevada - Gun Runners' Arsenal.esp
AG Weapon Reload SFX.esp
Improved Sound FX.esp
Improved Sound FX - Weapon Sharing Fix.esp
Improved Sound FX - GRA.esp
Improved Sound FX - Project Nevada.esp
Better Casinos.esp
pipboy2500_edisleado.esp
FO3WeaponsRestoration.esp
ADAM - MAIN.esp
ADAM - HH.esp
ADAM - LR.esp
ADAM - Rangers on Patrol.esp
ADAM - Outcast Ranger Armour.esp
ADAM - Nemesis Armours.esp
ADAM - Trooper Gloves.esp
ADAM - NCR Patrol Armour.esp
ADAM - Project Nevada Patch.esp
DragonskinTacticalOutfit.esp
DragonskinNCRPersonnelWearingOutfits.esp
DragonskinBonusPack.esp
DTO-ProjectNevada.esp
DTOBP-ProjectNevada.esp
MMUE-CP-PNCore.esp
MMUE-CP-PNRebalance.esp
MMUE-CP-PNEquipment.esp
MMUE-CP-PNOWB.esp
dD - Enhanced Blood Main NV.esp
Disable Anti Cheat Minute.esp
WeaponModsixpanded.esp
WeaponModsixpanded_FO3WeaponsRestoration.esp
Project Nevada - WMX.esp
WMX-DeadMoney.esp
WMX-HonestHearts.esp
WMX-OldWorldBlues.esp
WMX-LonesomeRoad.esp
WMX-GunRunnersArsenal.esp
Improved Sound FX - WMX - Merged Major DLCs.esp
WMX-ArenovalisTextures.esp
WMX-PreOrderPackClassic.esp
WMX-PreOrderPackCaravan.esp
WMX-PreOrderPackMercenary.esp
WMX-PreOrderPackTribal.esp
EVE FNV.esp
EVE FNV-[GRA Patch for EVE 1.3].esp
Improved Sound FX - EVE.esp
Project Nevada - EVE.esp
MMUE-CP-EVE.esp
MMUE-CP-WMX.esp
WMX-EVE.esp
NSkies URWLifiedOWB.esp
NSkies URWLifiedHH.esp
NSkies URWLifiedDM.esp
TFH Rugged Race.esp
RealSmokes.esp
housemod.esp
Alternative Start.esp
CFW-DLC.esp
CFW-PN.esp
CFW-PN-DLC.esp
MoraelinsProfessionalsSuitMod.esp
DLC Weapon Integration - WMX.esp
Bashed Patch, 0.esp
FalloutNV.esm
DeadMoney.esm
HonestHearts.esm
OldWorldBlues.esm
LonesomeRoad.esm
GunRunnersArsenal.esm
ClassicPack.esm
MercenaryPack.esm
TribalPack.esm
CaravanPack.esm
CFWNV.esm
NSkies URWLified.esm
Project Nevada - Core.esm
Project Nevada - Equipment.esm
Project Nevada - Rebalance.esp
Project Nevada - Cyberware.esp
Mission Mojave - Ultimate Edition.esp
MMUE+.esp
MMUE POP.esp
DarNifiedUINV.esp
The Weapon Mod Menu.esp
Better Burned Man.esp
The New Bison Steve Hotel.esp
Project Nevada - Dead Money.esp
Project Nevada - Honest Hearts.esp
Project Nevada - Old World Blues.esp
Project Nevada - Lonesome Road.esp
Project Nevada - Gun Runners' Arsenal.esp
AG Weapon Reload SFX.esp
Improved Sound FX.esp
Improved Sound FX - Weapon Sharing Fix.esp
Improved Sound FX - GRA.esp
Improved Sound FX - Project Nevada.esp
Better Casinos.esp
pipboy2500_edisleado.esp
FO3WeaponsRestoration.esp
ADAM - MAIN.esp
ADAM - HH.esp
ADAM - LR.esp
ADAM - Rangers on Patrol.esp
ADAM - Outcast Ranger Armour.esp
ADAM - Nemesis Armours.esp
ADAM - Trooper Gloves.esp
ADAM - NCR Patrol Armour.esp
ADAM - Project Nevada Patch.esp
DragonskinTacticalOutfit.esp
DragonskinNCRPersonnelWearingOutfits.esp
DragonskinBonusPack.esp
DTO-ProjectNevada.esp
DTOBP-ProjectNevada.esp
MMUE-CP-PNCore.esp
MMUE-CP-PNRebalance.esp
MMUE-CP-PNEquipment.esp
MMUE-CP-PNOWB.esp
dD - Enhanced Blood Main NV.esp
Disable Anti Cheat Minute.esp
WeaponModsixpanded.esp
WeaponModsixpanded_FO3WeaponsRestoration.esp
Project Nevada - WMX.esp
WMX-DeadMoney.esp
WMX-HonestHearts.esp
WMX-OldWorldBlues.esp
WMX-LonesomeRoad.esp
WMX-GunRunnersArsenal.esp
Improved Sound FX - WMX - Merged Major DLCs.esp
WMX-ArenovalisTextures.esp
WMX-PreOrderPackClassic.esp
WMX-PreOrderPackCaravan.esp
WMX-PreOrderPackMercenary.esp
WMX-PreOrderPackTribal.esp
EVE FNV.esp
EVE FNV-[GRA Patch for EVE 1.3].esp
Improved Sound FX - EVE.esp
Project Nevada - EVE.esp
MMUE-CP-EVE.esp
MMUE-CP-WMX.esp
WMX-EVE.esp
NSkies URWLifiedOWB.esp
NSkies URWLifiedHH.esp
NSkies URWLifiedDM.esp
TFH Rugged Race.esp
RealSmokes.esp
housemod.esp
Alternative Start.esp
CFW-DLC.esp
CFW-PN.esp
CFW-PN-DLC.esp
MoraelinsProfessionalsSuitMod.esp
DLC Weapon Integration - WMX.esp
Bashed Patch, 0.esp
Any help is greatly appreciated.
EDIT: Whoop-de-f*****-doo. It appears that I've merged too much stuff in Bash at once, hence making the game break quite a lot. All's good now, though.