Here's my load order if anyone thinks they could pick the mod out from that:
Morrowind.esmTribunal.esmBloodmoon.esmTexture Fix 1.9.esmBloodmoon Landscape Overhaul 1.0.esmMorrowind Patch v1.6.5-BETA.esmBetter Heads.esmBetter Heads Tribunal addon.esmBetter Heads Bloodmoon addon.esmMorrowind Advanced.esmGDR_MasterFile.esmJoin All Houses.espVivec_Voice_addon TRIBUNAL.espDagoth Gares_Voice_addon v1.1.espentertainers.espbcsounds.espmaster_index.espLeFemmArmor.espadamantiumarmor.espEBQ_Artifact.espSiege at Firemoth.espDaggerfall Collection Ver 1.1 (BTB Edit).espAlmalexia_Voicev1.espbarilzar_voice.espP.R.E. v4.0.espNudity Greeting Expansion V1.espLGNPC_NoLore_v0_83.espMissingBounds.espSirLuthor-Tools.espUnique Banners and Signs.espBetter Bodies.espDB_Attack_Mod.espKey Replacer Trib & BM.espBook Jackets - Morrowind.espBook Jackets - Tribunal.espClean Morrowind_Cities_Unlocked.espClean Morrowind_Cities_Unlocked_TB.espClean Morrowind_Cities_Unlocked_BM.espBook Jackets - Bloodmoon.espClean Morrowind_Bandits_Unlocked.espMonsterous Variants.espDXM_masterindex_journalfix.espGCD better balanced birthsigns.espLess_Generic_Bloodmoon.espImproved Skilled Magicka.espLgnpc_SN.espLGNPC_GnaarMok_v1_20.espLGNPC_AldVelothi_v1_20.espLGNPC_MaarGan_v1_20.espLGNPC_HlaOad_v1_32.espLGNPC_Aldruhn_v1_20.espLGNPC_Aldruhn_v1_20_suppl.espLGNPC_Pelagiad_v1_30.espLGNPC_TelMora_v1_20.espLGNPC_Khuul_v2_20.espLGNPC_VivecFQ_v2_10.espMuseum of Artifacts Improved Expanded.espLGNPC_TelUvirith_v1_20.espEcoAdjMerchantSkills (Disposition Edit).espEcoAdjCrime (Tresspass Edit).espLess_Generic_Tribunal.espalmalexia armor.espQuieter_UI_Sounds.espWA_Signy_Signposts(!).ESPBTB - Spells.espBTB - Alchemy.espBTB - Equipment.espBTB - Settings (Alternate).espBetter Skulls.ESPBetter Clothes Complete (BTB Edit).espIceNioLivRobeReplacerPLUS (BTB Edit).espIlly's Solsteim Rumour Fix.espAtmospheric Balmora for VBA.ESPGCD v1.08 with Startscript, fixed [Galsiah].espMW_Adv_Required (BTB Edit).espPsy_IronMeshImprove_Uniques_BMI.espVurt's Grazelands Trees.ESPVality's BC for Vurt's BC.espVality's Balmora for Vurt's BC.espService Requirements (BTB Edit).espVurt's BC Tree Replacer II.ESPArea Effect Projectiles (PAR Edit).espAnimated Morrowind II.espQuick Char (Timescale Edit).espWelcome to the Arena! v5.0 (normal).espLGNPC_SecretMasters_v1_30.espLGNPC_IndarysManor_v1_51.espLGNPC_VivecRedoran_v1_50.espThe Sable Dragon 1.6.espThe Neverhalls.espDN-GDRv1 (HFP Edit).espLess_Generic_Nerevarine.espCreatures.espNew Argonian Bodies - Clean.espNew Khajiit Bodies - Clean.espGraphic Herbalism.espsm_ForgottenHalls.espUFR_v3dot2_noRobe.espDjangos Dialogue.ESPPond_scum_fix 1.0.espCompanion Health Bars.espOwnership Indicator.espabotSiltStriders.espabotGondoliers.espMashed Lists.esp
As far as I can tell (by loading them up in the CS and checking the journal entries), the LGNPC mods are not responsible for this.