I have tried checking each one and making sure its IWBUMS compatible but with so many mods its difficult and there is obviously a conflict... Here's a list
mod = FF150,
mod = 1969FordMustangBoss429,
mod = amhghk2,
mod = 89def110,
mod = 91range,
mod = GEARBASIC,
mod = GEARCORE,
mod = ItemTweakerAPI,
mod = PlayerTraps,
mod = Brita,
mod = firearmmod,
mod = SGuns,
mod = Hydrocraft,
mod = ScrapWeapons,
mod = AAS,
mod = AAApoc,
mod = Ammo Straps Carry Ammo,
mod = Ammo Pouch,
mod = AquatsarYachtClub,
mod = tsarslib,
mod = ArmorMod_build41_patch,
mod = ArmorMod,
mod = Armored Doors and Windows,
mod = ArmoredVests,
mod = Arsenal(26)GunFighter,
mod = lgd_antibodies,
mod = AuthenticSuicide,
mod = AuthenticAnimations,
mod = autotsartrailers,
mod = BBushGreatCarsPack,
mod = BLOODWORK,
mod = backrigandcalfsheath,
mod = backpackattachments,
mod = Backpatches,
mod = Bandana Armbands,
mod = BetterSortCC_A26C,
mod = TowingCar,
mod = blackleatherbikerjacket,
mod = BWM,
mod = Blacksmith41,
mod = ExtraSkillsSystem41,
mod = ProfessionFrameworkB41Patch,
mod = Bleach and Dye,
mod = Boltcutters,
mod = MandelaBowAndArrow,
mod = Brita's Unfucked Distro,
mod = BCGRareWeapons,
mod = BCGTools,
mod = CANNIBALISM_CORE,
mod = CCCP,
mod = Cheap Speed,
mod = cf,
mod = chestrig,
mod = PZCF_hobbies,
mod = Compass,
mod = Concealed Carry Vests,
mod = concussion_grenades,
mod = Craft Ammo Straps,
mod = CraftHelper41,
mod = Creepy Critters,
mod = UltimateFireExperience,
mod = MVM,
mod = detectalarms,
mod = disablewelcome,
mod = DisplayEquippedLocation,
mod = DistributionTablesPatchLittering,
mod = SVGLittering,
mod = DyeYarn,
mod = Knitting,
mod = SVGEnergyDrinks,
mod = ExoticMeat,
mod = FashionMontage_alt,
mod = testarossa,
mod = Dunebuggywindows,
mod = FRUsedCarsBETA,
mod = FireHookCrowbar,
mod = AuthFB,
mod = fix_xp_view_41,
mod = flare_guns,
mod = FordCapriB41,
mod = GearedZombies,
mod = ADVANCEDGEAR,
mod = PLLoot,
mod = Swatpackredux,
mod = ScrapArmor,
mod = GravityFix,
mod = bcGravity,
mod = bcUtils,
mod = guncleaning_scrapguns_compat,
mod = guncleaning,
mod = guncleaning_firearmsb41_compat,
mod = guncleaning_brita_compat,
mod = HatRetexturePack,
mod = Hotsauce,
mod = HuntingMod,
mod = IAmLegend,
mod = improvedbuildmenu41,
mod = ImprovedModPresets,
mod = incendiary_grenades,
mod = katanasandmachetesonbackorbelt,
mod = Keytool,
mod = KingsmouthKY,
mod = KnifeHolsterMod,
mod = KnoxCountryMap_OGSN,
mod = knuckledusters,
mod = kukri,
mod = LCFAV2,
mod = LetThereBeLight,
mod = LetUsFarmLettuce,
mod = FarmingTime,
mod = VileM113APC,
mod = marchingpowder,
mod = Measuring Tape,
mod = Medical Pouches,
mod = MeltSnow,
mod = Merchant Survivors - Hydrocraft Version,
mod = SuperbSurvivors,
mod = Merchant Survivors,
mod = militarycanteensandflashlights,
mod = MIMOrganized,
mod = Marcin_Items_Mod,
mod = MANYBAGS,
mod = MilitaryUsedCarSkins,
mod = modoptions,
mod = Moonshine,
mod = MoreBuild,
mod = MCMGreenfire,
mod = MoreCigsMod,
mod = jiggasGreenfireMod,
mod = MCMLitter,
mod = 2281442527,
mod = BAM,
mod = MoreCommonSeeds,
mod = MSP,
mod = Multitool,
mod = Multitool Scrap Weapon Patch,
mod = Multitool Hydrocraft Patch,
mod = NolansTrapsUpdates,
mod = noveltyshirts,
mod = PLGR,
mod = padlock_built_doors,
mod = PaintYourRide,
mod = NFOpenCannedFood,
mod = PLLootG,
mod = PipeWrench,
mod = PornoMags,
mod = url=https://steamcommunity.com/sharedfiles/filedetails/?757075560,
mod = Reading Material,
mod = RealBody,
mod = RepairAnyPaw,
mod = Roadsign Cuirass,
mod = rockshop,
mod = rotandroll,
mod = ShowSkillUpName,
mod = SlurpBurp,
mod = SmartOpenMechanicsUI,
mod = smoke_grenades,
mod = SewingMachine,
mod = some_trucks_have_gun_racks,
mod = vehicle_additions,
mod = BuildingTime,
mod = ClearingTime,
mod = CookingTime,
mod = DressingTime,
mod = ExploringTime,
mod = LearningTime,
mod = RelaxingTime,
mod = SpiffomonB41,
mod = spraypaintletters,
mod = spraypaint,
mod = spraypaintIWBUMS,
mod = SuperNintendo,
mod = TED BEER`s Player Makeup Retexture,
mod = TRICK OR TREAT,
mod = Tactical Weapons,
mod = TarotCards,
mod = TapedTvShows,
mod = Tatts,
mod = Ramen,
mod = TheStuff,
mod = thigh_holsters,
mod = TBottles,
mod = ToServeMan,
mod = ToSBackpacks Build41,
mod = International,
mod = toxicfog,
mod = ToyotaCorollaB41,
mod = TCoat,
mod = Tumbling Dice,
mod = TKCM,
mod = UncleSharksKentuckyCarnage,
mod = UndoMaskExclusion,
mod = VanillaWeaponsExpanded,
mod = VehicleRecycling,
mod = vehiclescenes,
mod = VWCM,
mod = VWC,
mod = Waistbags,
mod = vestswithpockets,
mod = ZREs,
mod = Zedsbane,
mod = KCN,
mod = eris_nightvision_goggles,
mod = jiggasAddictionMod,
mod = HTowTruck