Training is handled by a check mark next to Offers Services in a Wander AI package, a check mark next to Training in the 'Auto-Calc Other' box, a training skill in the drop-down box and a number up to which the NPC can train. If those conditions have been met then it sounds like another mod in your list is causing your problem. You'll need to post your mod list.
Thanks for looking. I didn't list the settings in the NPCs base obj, because I was thinking of the script interaction with the AI package. But they could be relevant too.
Active Mod Files:
Spoiler 00 Oblivion.esm01 Jog_X_Mod.esm02 You Are Here.esm03 All Natural Base.esm [Version 1.0]04 Cobl Main.esm [Version 1.72]05 Mart's Monster Mod.esm [Version 3.7b3p3]06 TamrielTravellers.esm [Version 1.39c]07 Armamentarium.esm [Version 1.35]08 Artifacts.esm [Version 1.1]09 Better Cities Resources.esm0A Progress.esm [Version 2.2]0B CM Partners.esm0C Oblivifall Master File.esm [Version 1.0]0D R18PN - Lingeries.esm** Essential_Merchants.esp0E Unofficial Oblivion Patch.esp [Version 3.3.1]0F Oblivion Citadel Door Fix.esp10 DLCShiveringIsles.esp11 Unofficial Shivering Isles Patch.esp [Version 1.4.0]12 SM Plugin Refurbish - SI.esp [Version 1.30]13 Better Cities .esp14 All Natural.esp [Version 1.0]15 All Natural - SI.esp [Version 1.0]16 Immersive Interiors.esp [Version 0.7]++ No wind.esp++ phinix-waterfix.esp++ Symphony of Violence.esp17 AmbientTownSounds.esp18 MIS Low Wind.esp19 MIS New Sounds Optional Part.esp1A All Natural - Real Lights.esp [Version 1.0]1B WindowLightingSystem.esp1C 300_Lore_Dialogue_Updated.esp1D AliveWaters - Slaughterfish Addon.esp1E Book Jackets Oblivion.esp1F FlyingCameraMod.esp [Version 1.3]20 ClocksOfCyrodiil_BC_OBC_OC_OCLR_Vanilla.esp21 Display Stats.esp [Version 1.2.2]22 diversegrasses.esp23 ImprovedSigns.esp++ Item interchange - Extraction.esp [Version 0.76]24 Luchaire's Neck Seam Concealer.esp25 P1DmenuEscape.esp26 P1DseeYouSleep.esp27 P-Froggys Corpse Carry EV.esp28 P-Froggys Wall Climbing EV.esp29 Quest Log Manager.esp [Version 1.3]2A RAEVWD Cities.esp [Version 1.8]2B RAEVWD Imperial City.esp [Version 1.8]2C Resurrect book.esp2D Harvest[Containers].esp2E Harvest[Containers] - Player Home Add-on.esp2F Enhanced Economy.esp [Version 4.3]30 PTRoamingNPCs.esp31 kuerteeActorDetails.esp32 Oblivion Graphics Extender Support.esp [Version 0.2]33 Streamline 3.1.esp34 Map Marker Overhaul.esp [Version 3.7.1]35 Enhanced Hotkeys.esp [Version 1.4]36 FastEquipping.esp37 DLCSpellTomes.esp++ DLCSpellTomes - Unofficial Patch.esp [Version 1.0.1]++ MaleBodyReplacerV4.esp38 Adonnays Elven Weaponry.esp39 Binoculars.esp3A Crossbows of Cyrodiil.esp++ FineWeapons.esp3B TTB.esp3C Thieves Arsenal.esp++ Thieves_Arsenal_Patch_033010.esp3D Armamentium female.esp3E kuerteeHorseCommands.esp3F MELF_HorseSanity.esp40 DLCThievesDen.esp41 DLCThievesDen - Unofficial Patch - SSSB.esp [Version 1.0.4]42 SM Plugin Refurbish - ThievesDen.esp [Version 1.30]43 Cobl Glue.esp [Version 1.72]44 Cobl Si.esp [Version 1.63]45 Alluring Potion Bottles v3.esp++ ArmamentariumLL.esp [Version 1.35]++ ArmamentariumLLMagic.esp [Version 1.35]46 ArmamentariumArtifacts.esp [Version 1.35]++ ArmamentariumLLArmaVendor.esp [Version 1.35]47 Mart's Monster Mod.esp [Version 3.7b3p3]++ Mart's Monster Mod - Shivering Isles.esp [Version 3.7b3p3]48 Mart's Monster Mod - Additional Enemy NPC Vars.esp [Version 3.7b3p3]49 Mart's Monster Mod - Gems & Gem Dust.esp [Version 3.7b3p3]4A Mart's Monster Mod - Hunting & Crafting.esp [Version 3.7b3p3]4B Mart's Monster Mod - Durability & Damage.esp [Version 3.7b3p3]++ Mart's Monster Mod - No Blood.esp [Version 3.7b3p3]++ Mart's Monster Mod - No Adventurers.esp [Version 3.7b3p3]4C Mart's Monster Mod - More Wilderness Life No Gates.esp [Version 3.7b3p3]4D Mart's Monster Mod - Extra Wounding.esp [Version 3.7b3p3]4E Mart's Monster Mod - Farm Animals.esp [Version 3.7b3p3]4F Mart's Monster Mod - Diverse WaterLife.esp [Version 3.7b3p3]++ Mart's Monster Mod - Slof Horses Complete.esp [Version 3.7b3p3]50 TamrielTravellers.esp [Version 1.39c]++ TamrielTravellersFactionAll.esp [Version 1.39c]51 TamrielTravellersItemsCobl.esp [Version 1.39c]++ MMM-Cobl.esp [Version 1.69]52 EVE_StockEquipmentReplacer4MMM.esp53 Oblivifall - Something's Not Right.esp [Version 1.0]54 adTH-druidsdomain.esp55 advlt_BookStore.esp56 AleswellHomeQuest.esp57 Artifacts.esp [Version 1.1]58 ArtifactsFemaleArmor.esp++ Artifacts - ArmaCompleteAddon.esp [Version 1.0]59 Bonds Firebird V01.esp5A Clamshell_Cottage_v1.5_COBL.esp5B FishermansCottage.esp5C Gianna.esp5D JSRandomTasks.esp [Version 1.1a]5E EiAmod.esp [Version 1.1]++ EiAmod_ShiveringIsles.esp5F MountainShackR121.esp60 Players with Jobs.esp61 Sewer_Mansion.esp62 Side's Sailing Ships.esp++ Side's Sailing Ships (COBL).esp63 StopDarkBrotherhood.esp64 thievery.esp65 To Feed an Empire - Wickmere Farm.esp66 WeaponsOfTheNine.esp [Version 2.2]67 WhiteRoseRiverFarm.esp68 24HrArenaAliveV2.esp69 Knights.esp6A Knights - Unofficial Patch.esp [Version 1.0.10]** EVE_KnightsoftheNine.esp++ SM Plugin Refurbish - Knights.esp [Version 1.06]6B Knights - Cobl.esp++ Mart's Monster Mod - Knights.esp [Version 3.7b3p3]++ KotN Wayshrine Fix.esp6C AFK_Weye.esp [Version 2.1.COBL]6D Shadowcrest_Vineyard_COBL.esp6E road+bridges.esp [Version 4.5.8]6F NRB4+Vineyard Patch.esp70 Faregyl.esp [Version 1.0.10]71 Millstone_Farm_COBL.esp72 Harvest [Flora].esp [Version 3.0.0]++ Harvest [Flora] - Shivering Isles.esp [Version 3.0.0]++ 100% Harvest Chance.esp73 My Pitchable_Tent_Remix_NP.esp [Version 1.0]74 DecoratorAssistant with OBSE v1.1.esp75 DS Portable Sorters.esp [Version 1.3]++ more books teach.esp76 Oblivifall - Let's Talk!.esp [Version 1.1]77 Oblivifall Ambiant Dungeon SFX+New Classes Merged.esp [Version 1.2]78 PersuasionOverhaul.esp [Version 1.43]++ PersuasionOverhaul_MMM.esp [Version 1.2]79 sixlivion.esp7A nvde Spell.esp7B StackableEquipment.esp7C Quest Award Leveller.esp++ Quest Award Leveller - Knights of the Nine.esp7D Encumbrance200.esp7E RealisticForceMed+MagicForceLow Merged.esp7F Active_Inventory_Spell_1.2.esp80 Gather Ye Rosebuds.esp81 KT_DetectHostility.esp82 RefScope.esp83 SetBody.esp84 MidasSpells.esp85 RshAlchemy.esp86 Cheydinhal for Thieves.esp87 attack and hide easier v2.0.esp88 Stealth Entrances v1.esp89 RenGuardOverhaul.esp8A sycHearNoEvil.esp [Version 1.0]8B Enhanced Grabbing.esp [Version 0.5]8C SM Hand Combat.esp [Version 1.0]8D nGCD.esp8E nGCD Oghma Infinium.esp++ nGCD Skeleton Key.esp8F ExperienceTraining1.1(nGCD).esp90 ProgressGSD.esp [Version 2.0]91 ProgressMBSP.esp [Version 2.0]92 ProgressSBSP.esp [Version 1.0]93 ProgressRBSP.esp [Version 1.0]94 ProgressRacial.esp95 ProgressArmorer.esp [Version 1.0]++ Item interchange - Option, Ingredients in Bulk.esp [Version 0.76]++ EVE_KhajiitFix.esp96 Nec_Mystic_High_Dark_Elf-Remake-Merge.esp [Version 1.0]97 CuteElf11.esp [Version 1.3.5]98 Elves Of Lineage II.esp99 IDKRRR_C_race.esp9A Energy - Beautiful Elves.esp9B Chocolate Elves.esp++ Chocolate Elves RBP.esp9C CM Partners.esp9D CM Partners Special NPCs.esp9E Nec-Elf_Kaleah.esp [Version 1.0]9F bgBalancingEVCore.esp [Version 10.52EV-D]++ TamrielTravellers Cosmetics Cobl or RBP.espA0 bgMagicEV.esp [Version 1.7EV]++ bgMagicSpellTomes_for_WryeBash.esp [Version 1.68EV]++ bgMagicItemSigil.esp [Version 1.68EV]++ bgMagicEVStartspells.esp [Version 1.68EV]A1 bgMagicBonus.esp [Version 1.7EV]++ bgMagicEVAddEnVar.esp [Version 1.68EV]A2 bgMagicEVPaperChase.esp [Version 1.68EV]A3 bgMagicPotionNumberSoulGemValue.esp [Version 1.68UV]++ bgBalancingEVOptionalClasses.esp [Version 9.0EV-U]++ bgBalancingEVOptionalMoreEyes.esp [Version 10]** bgBalancingEVOptionalNPCDiversity, Beautification.esp [Version 10.0EV-D]A4 bgBalancingEVLAMEAddition.esp [Version 10.51EV-D]++ bgBalancingEVLAMEGlue.esp [Version 10.0EV-D1.62EV]++ bgBalancingEVOptionalSeamReducerHighElfFix.esp [Version 10.0EV-D]A5 bgIntegrationEV.esp [Version 0.993]A6 Better Cities Full.espA7 Better Cities - Brew House.espA8 Better Cities - Thievery.espA9 Better Imperial City.espAA Better Cities - sixlivion.espAB Better Cities - COBL.esp [Version 2.1]** [GFX]_Initial_Glow-all.esp** bgMagicEVShader.esp [Version 1.7EV]++ bgMagicShaderLifeDetect.esp [Version 1.68]AC bgMagicLightningbolt.espAD MiniMap.espAE Vacuity.esp [Version 0.2]AF Viconia.esp++ moremerchantmoneyv1.1.espB0 Simple Mods Merged 1.espB1 ICWFAShack Fence Blackie.espB2 DLT-DAhT-EAhT-Merged.esp [Version 2.4]B3 sgsTreeHome.esp++ Cobl Filter Late MERGE ONLY.esp [Version 1.53]** All Natural - Indoor Weather Filter For Mods.esp [Version 1.0]B4 Bashed Patch, 0.esp----------------------------------------+Simple Mod 1 Merge: -ChaseCameraMod.esp -HouseMapMarkers.esp -MovableBodies.esp -SleepRestAnyTime.esp -superSP_fatigue_restore_ring.esp -Toggleable Quantity Prompt.esp----------------------------------------+Nec_Mystic_High_Dark_Elf-Remake-Merge.7z: [T]Nec Mystic High Elf-Remake.esp [T]Nec Mystic Dark Elf-Remake.esp----------------------------------------+RealisticForceMed+MagicForceLow Merged.7z RealisticForceMed+MagicForceLow Merged.esp [M]RealisticForceMedium.esp [M]RealisticMagicForceLow.esp----------------------------------------+Oblivifall Ambiant Dungeon SFX+New Classes Merged.7z Oblivifall Ambiant Dungeon SFX+New Classes Merged.esp Oblivifall - Ambiant Dungeon SFX.esp Oblivifall - New Classes.esp % {{BASH:R.Description}}----------------------------------------+DLT-DAhT-EAhT-Merged DropLitTorchOBSE.esp Dungeon Actors Have Torches 1.6 DT.esp Exterior Actors Have Torches 1.3 DT.esp I will double check the AI of the NPCs in question to see if they have been changed by another mod.
Edit: The NPCs look fine in TES4Edit.