stack:
[None].MannequinActivatorSCRIPT.OnCellAttach() - "MannequinActivatorSCRIPT.psc" Line 76
This shows up over and over in my logs. Googling it I only seem to come up with people talking about a "Wandering Mannequin Fix" mod but I've never used that mod. So if someone could fill me in on why this is happening it'd be greatly appreciated

Active Mod Files:
Spoiler
00 Skyrim.esm01 Update.esm02 Dawnguard.esm03 HearthFires.esm04 Dragonborn.esm05 JSwords.esm06 Ket_ARMONIZER_v2.esm07 Lanterns Of Skyrim - All In One - Main.esm08 RiverHelm.esm09 Skyrim Immersive Creatures.esm [Version v5.1.1]0A SkyMoMod.esm0B SPIKE.esm0C HighResTexturePack01.esp0D HighResTexturePack02.esp0E HighResTexturePack03.esp0F breezehomelightfix.esp10 Unofficial Skyrim Patch.esp [Version 1.3.0]11 Unofficial Dawnguard Patch.esp [Version 1.2.0]12 Unofficial Hearthfire Patch.esp [Version 1.0.3]13 Unofficial Dragonborn Patch.esp [Version 1.0.1]14 Better Dynamic Snow.esp15 Morning Fogs.esp16 PNENB.esp [Version 1.40b]17 RevampedExteriorFog.esp18 Remove Interior Fog V2 - Skyrim.esp19 StaticMeshImprovementMod.esp1A 83Willows_101BUGS_V4_HighRes.esp1B Ars Metallica.esp [Version 1.2.0]1C Ars Metallica - Dawnguard.esp [Version 1.2.0]1D Ars Metallica - Hearthfire.esp [Version 1.2.0]1E Ars Metallica - Dragonborn.esp [Version 1.2.0]1F BirdsHFclean.esp20 Birdsofskyrim.esp21 Crafting300.esp22 GuardsGuardThePlayer.esp23 Immersive Battles.esp24 Immersive Brigands.esp25 Immersive Dawnguard.esp26 Immersive Factions.esp27 Immersive Mercenaries.esp28 Immersive Patrols.esp29 Immersive Travelers.esp2A Immersive Werewolves.esp2B moredragonloot.esp2C Owned.esp2D Potions Renamed.esp2E skyBirds - Airborne Perching Birds.esp++ Skymo-Dawn.esp2F SMDropLitTorch.esp30 Auto Unequip Ammo.esp31 Footprints.esp32 WetandCold.esp33 WetandCold - Ashes.esp34 SkyUI.esp35 iHUD.esp36 Dwemer Goggles & Scouter.esp37 hothtrooper44_ArmorCompilation.esp38 JSwordsDistributionBalancePlugin.esp39 Nicoroshi Creations.esp [Version 1.2]3A Dr_Bandolier.esp3B Dr_BandolierDG.esp3C BandolierForNPCMasterFile.esp [Version 4.0]3D BandolierForNPCs.esp3E DeadlyDragons.esp3F DeadlyDragonsArmory.esp40 DeadlyMonsters.esp41 BecomeKingOfRiverHelm.esp42 hunter.esp43 Radiance.esp44 Run For Your Lives.esp [Version 1.2]45 When Vampires Attack.esp [Version 1.0.1]46 SBT Smal2.esp47 SBT Smal3.esp48 SBT Smal1.esp49 The Paarthurnax Dilemma.esp [Version 1.2.3]4A towBlockSteal.esp4B AchieveThat.esp4C BlockSparkles.esp4D DescaledUniques.esp4E Headtracking.esp4F ImmediateDragons.esp50 Immersive Weapons.esp51 Ket_ARMONIZER_LListsNPC.esp52 NoCombatMusic.esp53 RichMerchants.esp54 Riften Bigger Trees.esp55 Skyrim bigger trees.esp56 SkyTEST-RealisticAnimals&Predators.esp57 dD - Enhanced Blood Main.esp58 dD-Dawnguard-MonsterMod EBT Patch.esp59 Soul Gems Glow When Full.esp5A Spells Cast Light.esp5B Tougher Traps.esp5C UnreadBooksGlow.esp [Version 2.1.0]5D AIMP - Antz in my Pantz.esp5E abotFiresHurt.esp5F dD - Realistic Ragdoll Force - Realistic.esp60 Apocalypse - The Spell Package.esp61 OpenUnlock.esp62 DragonbornAscendant.esp63 DragonbornAscendantDawnguardExpansion.esp64 DragonbornAscendantDragonbornDLCAddon.esp65 BFSEffects.esp66 Skyrim Immersive Creatures - DLC2.esp [Version v0.2]67 DeadlyCombat.esp68 dodge.esp69 Dual Wield Parrying_ScriptDragon.esp6A The Dance of Death - Ultimate Edition.esp6B dD-DG-DB-MonsterMod EBT Patch.esp6C ArodsInventoryControl.esp6D Follower Trap Safety.esp6E QuickStart3_NoHelmet.esp6F AutoCastPowers.esp70 Volrath - Dragonreach - Brazier fix.esp71 getSnowy.esp72 WATER.esp73 WATER Plants.esp74 Bashed Patch, 0.esp75 ASIS-Dependency.esp76 ASIS.esp