Only way to fix this is to put the items into a container, which for some reason allows them to stack properly. But then if I try to drop them as individual units, all but one vanishes.
It is definitely a mod causing this. A new game test with full LO and Oblivion.ESM only has confirmed this. The trouble is... which one?
If anyone can offer any input, please do. Until then, I'm going to be going through my load order until I figure out which mod is causing this.
Active Mod Files:
Spoiler
00 Oblivion.esm
01 TR_OoT_Main.esm
02 All Natural Base.esm [Version 1.3]
03 Cobl Main.esm [Version 1.73]
04 TamRes.esm
05 Open Cities Resources.esm [Version 4.0.3]
06 Oscuro's_Oblivion_Overhaul.esm [Version 1.34]
07 Kvatch Rebuilt.esm
08 Progress.esm [Version 2.2]
09 Unofficial Oblivion Patch.esp [Version 3.3.7]
0A DLCShiveringIsles.esp
0B Unofficial Shivering Isles Patch.esp [Version 1.4.4]
0C SM Plugin Refurbish - SI.esp [Version 1.30]
0D TamRes.esp
0E All Natural.esp [Version 1.3]
0F All Natural - SI.esp [Version 1.3]
10 Idle Dialogue.esp [Version 1.2]
++ Symphony of Violence.esp
11 All Natural - Real Lights.esp [Version 1.3]
12 WindowLightingSystem.esp
13 ClocksOfCyrodiil_BC_OBC_OC_OCLR_Vanilla.esp
++ Item interchange - Extraction.esp [Version 0.78]
14 Enhanced Economy.esp [Version 5.1]
15 FF_Real_Thirst.esp
16 Dynamic Map.esp [Version 2.0]
17 Map Marker Overhaul.esp [Version 3.8]
18 DLCHorseArmor.esp
19 DLCHorseArmor - Unofficial Patch.esp [Version 1.0.6]
1A SM Plugin Refurbish - HorseArmor.esp [Version 1.11]
1B DLCOrrery.esp
1C DLCOrrery - Unofficial Patch.esp [Version 1.0.4]
1D SM Plugin Refurbish - Orrery.esp [Version 1.11]
1E DLCVileLair.esp
1F DLCVileLair - Unofficial Patch.esp [Version 1.0.7]
++ SM Plugin Refurbish - VileLair.esp [Version 1.21]
20 DLCMehrunesRazor.esp
21 DLCMehrunesRazor - Unofficial Patch.esp [Version 1.0.5]
22 SM Plugin Refurbish - MehrunesRazor.esp [Version 1.30]
23 DLCSpellTomes.esp
++ DLCSpellTomes - Unofficial Patch.esp [Version 1.0.1]
++ MaleBodyReplacerV4.esp
** EVE_StockEquipmentReplacer.esp
24 Slof's Horses Base.esp
25 DLCThievesDen.esp
26 DLCThievesDen - Unofficial Patch.esp [Version 1.0.10]
27 SM Plugin Refurbish - ThievesDen.esp [Version 1.30]
28 Cobl Glue.esp [Version 1.73]
29 OCR+COBL Luggage Patch.esp
2A Cobl Si.esp [Version 1.63]
2B FF_Real_Thirst, Cobl.esp
2C Oscuro's_Oblivion_Overhaul.esp [Version 1.34]
++ OOO-DLT_Remover.esp [Version 1.33]
2D OOO 1.32-Cobl.esp [Version 1.72]
** EVE_StockEquipmentReplacer for OOO.esp
2E ImpeREAL City Unique Districts - All the Districts - Merged.esp
2F Kvatch Rebuilt.esp
30 OCC-KR-Patch.esp [Version 2.0.1]
++ Kvatch Rebuilt - OOO Compatibility.esp
31 Kvatch Rebuilt Weather Patch.esp
32 LetThePeopleDrink.esp [Version 2.5]
33 The Ayleid Steps.esp [Version 3.4]
34 TR_Stirk.esp
35 Stirk_Compatibility_Patch.esp
36 DLCBattlehornCastle.esp
37 DLCBattlehornCastle - Unofficial Patch.esp [Version 1.0.6]
38 SM Plugin Refurbish - Battlehorn.esp [Version 1.30]
39 DLCfrostcrag.esp
3A DLCFrostcrag - Unofficial Patch.esp [Version 1.0.5]
3B SM Plugin Refurbish - Frostcrag.esp [Version 1.2]
3C AFK_Frostcrag.esp [Version 1.2.COBL]
3D Knights.esp
3E Knights - Unofficial Patch.esp [Version 1.1.2]
** EVE_KnightsoftheNine.esp
++ SM Plugin Refurbish - Knights.esp [Version 1.06]
3F OCC-KOTN-Patch.esp [Version 3.0]
40 The Lost Spires.esp
41 OCC-Lost Spires-Patch.esp [Version 3.0]
42 AFK_Weye.esp [Version 2.2.COBL]
43 road+bridges.esp [Version 4.6.1]
44 Faregyl.esp [Version 2.0.4]
45 Feldscar.esp [Version 1.0.7]
46 Molapi.esp [Version 1.0.1]
47 Vergayun.esp [Version 1.0.6]
48 xuldarkforest.esp [Version 1.0.4]
49 LostSpires-DarkForest patch.esp
4A xulStendarrValley.esp [Version 1.2.2]
4B xulTheHeath.esp
4C XulEntiusGorge.esp
4D xulFallenleafEverglade.esp [Version 1.3.1]
4E LostSpires-Everglade patch.esp [Version 1.2]
4F xulColovianHighlands_EV.esp [Version 1.2.1]
50 xulChorrolHinterland.esp [Version 1.2.2]
51 xulBeachesOfCyrodiilLostCoast.esp [Version 1.6.4]
52 xulBravilBarrowfields.esp [Version 1.3.2]
53 xulLushWoodlands.esp [Version 1.3.1]
54 xulAncientYews.esp [Version 1.4.3]
55 xulAncientRedwoods.esp [Version 1.6]
56 xulCloudtopMountains.esp [Version 1.0.3]
57 xulArriusCreek.esp [Version 1.1.3]
58 xulPatch_AY_AC.esp [Version 1.1]
59 xulRollingHills_EV.esp [Version 1.3.3]
5A xulPantherRiver.esp
5B xulRiverEthe.esp [Version 1.0.2]
5C xulBrenaRiverRavine.esp [Version 1.1]
5D xulImperialIsle.esp [Version 1.6.7]
5E xulBlackwoodForest.esp [Version 1.1.0]
5F xulCheydinhalFalls.esp [Version 1.0.1]
60 KvatchRebuilt-CheydinhalFalls patch.esp
61 xulAspenWood.esp [Version 1.0.2]
62 xulSkingradOutskirts.esp [Version 1.0.1]
63 xulSnowdale.esp [Version 1.0.1]
64 Feldscar+Snowdale Patch.esp [Version 1.0]
65 OOO-Snowdale Patch.esp
66 xulCliffsOfAnvil.esp [Version 1.12]
67 OOOCliffsofAnvilPatch.esp [Version 1.0]
68 xulSilverfishRiverValley.esp [Version 1.0.1]
69 NRB4+UL-II+LtPD Patch.esp [Version 3.0.1]
6A ImpeREAL Empire - Unique Forts.esp
** ImpeREAL Empire - Unique Forts - Slofs Horses - By Xtudo.esp
6B ImpeREAL Empire - Unique Forts - OOO FCOM patch by Xtudo.esp
6C ImpeREAL Forts + Silverfish River Patch.esp
6D ImpeREAL Forts + Lost Spires + Silverfish River Patch.esp [Version 1.0]
6E West Roads.esp
6F BrinaCrossVillage.esp [Version 1.0.3]
70 BrinaCrossVillage -- COBL.esp
71 Brina Cross Village--Unique Forts Patch.esp
72 Frostcrag Village.esp [Version 1.0.3]
73 Fort Akatosh Redux.esp
74 FortAkatoshRedux-NewRoads&Bridges patch.esp
75 Salmo the Baker, Cobl.esp [Version 3.08]
76 Open Cities New Sheoth.esp [Version 2.0]
77 Open Cities Reborn.esp [Version 1.0.1]
78 ImpeREAL Empire - Unique Castles - All The Castles - OCR.esp [Version 1.1.5]
79 OCR + OOO Patch.esp [Version 3.0.1]
7A OCR+ULCH Patch.esp [Version 1.0]
++ OCC-COBL-Wells.esp
7B OCR+ULBWForest Patch.esp [Version 1.0.2]
7C OCR+Cheydinhal Falls Patch.esp [Version 1.0]
7D OC+ULSkingradOutskirts Patch.esp [Version 1.0.1]
7E Harvest [Flora].esp [Version 3.0.0]
++ Harvest [Flora] - Shivering Isles.esp [Version 3.0.0]
++ Harvest [Flora] - DLCVileLair.esp [Version 3.0.0]
7F Harvest [Flora] - DLCFrostcrag.esp [Version 3.0.0]
80 AutoBookPlacer.esp [Version 3.02]
81 Soulgem Magic.esp [Version 1.0]
82 Enhanced Economy - House prices.esp [Version 1.0]
83 RealisticFatigue.esp
84 RealSleepExtended.esp [Version 2.5]
85 RefScope.esp [Version 2.1.2]
86 kuerteeAttributeAndSkillBasedDamageModifiers.esp
87 nGCD.esp
88 nGCD Oghma Infinium.esp
++ nGCD Skeleton Key.esp
89 ProgressArmorer.esp [Version 1.0]
++ Immediate Character Generation.esp
** Cava Obscura - Cyrodiil.esp
** Cava Obscura - SI.esp
** Cava Obscura - Filter Patch For Mods.esp
++ Item interchange - Placement.esp [Version 0.78]
++ Item interchange - Placement for Frostcrag Reborn.esp [Version 0.78]
8A bgBalancingEVCore.esp [Version 10.52EV-D]
++ EVE_KhajiitFix.esp
8B bgMagicEV.esp [Version 1.7EV]
++ bgMagicSpellTomes_for_WryeBash.esp [Version 1.68EV]
++ bgMagicItemSigil.esp [Version 1.68EV]
8C bgMagicBonus.esp [Version 1.7EV]
++ bgMagicEVAddEnVar.esp [Version 1.68EV]
** bgBalancingEVOptionalNPCDiversity, TNR Merge.esp [Version 10.0EV-D]
** bgBalancingOptionalNPCDiversityKvatchRebuilt, for Wrye Bash.esp [Version 9.0EV-D]
8D bgBalancingEVLAMEAddition.esp [Version 10.51EV-D]
++ bgBalancingEVLAMEGlue.esp [Version 10.0EV-D1.62EV]
** bgBalancingEVOptionalNPCDiversityLAME.esp [Version 10.5EV-D]
++ bgBalancingEVOptionalSeamReducerHighElfFix.esp [Version 10.0EV-D]
8E bgIntegrationEV.esp [Version 1.0]
8F OCR + Integration Patch.esp [Version 3.0]
90 Silverfish&bgIntegrationPatch.esp
** bgMagicEVShader.esp [Version 1.7EV]
++ bgMagicShaderLifeDetect.esp [Version 1.68]
91 bgMagicLightningbolt.esp
** NRB4 OCReborn Road Record.esp
++ Cobl Filter Late MERGE ONLY.esp [Version 1.53]
++ OOO Harvest Containers Filter patch for mods.esp [Version 1.03]
** All Natural - Indoor Weather Filter For Mods.esp [Version 1.3]
92 Bashed Patch, 0.esp
93 Enhanced Seasons.esp [Version 1.3.2]
94 OBGE - Liquid Water.esp
01 TR_OoT_Main.esm
02 All Natural Base.esm [Version 1.3]
03 Cobl Main.esm [Version 1.73]
04 TamRes.esm
05 Open Cities Resources.esm [Version 4.0.3]
06 Oscuro's_Oblivion_Overhaul.esm [Version 1.34]
07 Kvatch Rebuilt.esm
08 Progress.esm [Version 2.2]
09 Unofficial Oblivion Patch.esp [Version 3.3.7]
0A DLCShiveringIsles.esp
0B Unofficial Shivering Isles Patch.esp [Version 1.4.4]
0C SM Plugin Refurbish - SI.esp [Version 1.30]
0D TamRes.esp
0E All Natural.esp [Version 1.3]
0F All Natural - SI.esp [Version 1.3]
10 Idle Dialogue.esp [Version 1.2]
++ Symphony of Violence.esp
11 All Natural - Real Lights.esp [Version 1.3]
12 WindowLightingSystem.esp
13 ClocksOfCyrodiil_BC_OBC_OC_OCLR_Vanilla.esp
++ Item interchange - Extraction.esp [Version 0.78]
14 Enhanced Economy.esp [Version 5.1]
15 FF_Real_Thirst.esp
16 Dynamic Map.esp [Version 2.0]
17 Map Marker Overhaul.esp [Version 3.8]
18 DLCHorseArmor.esp
19 DLCHorseArmor - Unofficial Patch.esp [Version 1.0.6]
1A SM Plugin Refurbish - HorseArmor.esp [Version 1.11]
1B DLCOrrery.esp
1C DLCOrrery - Unofficial Patch.esp [Version 1.0.4]
1D SM Plugin Refurbish - Orrery.esp [Version 1.11]
1E DLCVileLair.esp
1F DLCVileLair - Unofficial Patch.esp [Version 1.0.7]
++ SM Plugin Refurbish - VileLair.esp [Version 1.21]
20 DLCMehrunesRazor.esp
21 DLCMehrunesRazor - Unofficial Patch.esp [Version 1.0.5]
22 SM Plugin Refurbish - MehrunesRazor.esp [Version 1.30]
23 DLCSpellTomes.esp
++ DLCSpellTomes - Unofficial Patch.esp [Version 1.0.1]
++ MaleBodyReplacerV4.esp
** EVE_StockEquipmentReplacer.esp
24 Slof's Horses Base.esp
25 DLCThievesDen.esp
26 DLCThievesDen - Unofficial Patch.esp [Version 1.0.10]
27 SM Plugin Refurbish - ThievesDen.esp [Version 1.30]
28 Cobl Glue.esp [Version 1.73]
29 OCR+COBL Luggage Patch.esp
2A Cobl Si.esp [Version 1.63]
2B FF_Real_Thirst, Cobl.esp
2C Oscuro's_Oblivion_Overhaul.esp [Version 1.34]
++ OOO-DLT_Remover.esp [Version 1.33]
2D OOO 1.32-Cobl.esp [Version 1.72]
** EVE_StockEquipmentReplacer for OOO.esp
2E ImpeREAL City Unique Districts - All the Districts - Merged.esp
2F Kvatch Rebuilt.esp
30 OCC-KR-Patch.esp [Version 2.0.1]
++ Kvatch Rebuilt - OOO Compatibility.esp
31 Kvatch Rebuilt Weather Patch.esp
32 LetThePeopleDrink.esp [Version 2.5]
33 The Ayleid Steps.esp [Version 3.4]
34 TR_Stirk.esp
35 Stirk_Compatibility_Patch.esp
36 DLCBattlehornCastle.esp
37 DLCBattlehornCastle - Unofficial Patch.esp [Version 1.0.6]
38 SM Plugin Refurbish - Battlehorn.esp [Version 1.30]
39 DLCfrostcrag.esp
3A DLCFrostcrag - Unofficial Patch.esp [Version 1.0.5]
3B SM Plugin Refurbish - Frostcrag.esp [Version 1.2]
3C AFK_Frostcrag.esp [Version 1.2.COBL]
3D Knights.esp
3E Knights - Unofficial Patch.esp [Version 1.1.2]
** EVE_KnightsoftheNine.esp
++ SM Plugin Refurbish - Knights.esp [Version 1.06]
3F OCC-KOTN-Patch.esp [Version 3.0]
40 The Lost Spires.esp
41 OCC-Lost Spires-Patch.esp [Version 3.0]
42 AFK_Weye.esp [Version 2.2.COBL]
43 road+bridges.esp [Version 4.6.1]
44 Faregyl.esp [Version 2.0.4]
45 Feldscar.esp [Version 1.0.7]
46 Molapi.esp [Version 1.0.1]
47 Vergayun.esp [Version 1.0.6]
48 xuldarkforest.esp [Version 1.0.4]
49 LostSpires-DarkForest patch.esp
4A xulStendarrValley.esp [Version 1.2.2]
4B xulTheHeath.esp
4C XulEntiusGorge.esp
4D xulFallenleafEverglade.esp [Version 1.3.1]
4E LostSpires-Everglade patch.esp [Version 1.2]
4F xulColovianHighlands_EV.esp [Version 1.2.1]
50 xulChorrolHinterland.esp [Version 1.2.2]
51 xulBeachesOfCyrodiilLostCoast.esp [Version 1.6.4]
52 xulBravilBarrowfields.esp [Version 1.3.2]
53 xulLushWoodlands.esp [Version 1.3.1]
54 xulAncientYews.esp [Version 1.4.3]
55 xulAncientRedwoods.esp [Version 1.6]
56 xulCloudtopMountains.esp [Version 1.0.3]
57 xulArriusCreek.esp [Version 1.1.3]
58 xulPatch_AY_AC.esp [Version 1.1]
59 xulRollingHills_EV.esp [Version 1.3.3]
5A xulPantherRiver.esp
5B xulRiverEthe.esp [Version 1.0.2]
5C xulBrenaRiverRavine.esp [Version 1.1]
5D xulImperialIsle.esp [Version 1.6.7]
5E xulBlackwoodForest.esp [Version 1.1.0]
5F xulCheydinhalFalls.esp [Version 1.0.1]
60 KvatchRebuilt-CheydinhalFalls patch.esp
61 xulAspenWood.esp [Version 1.0.2]
62 xulSkingradOutskirts.esp [Version 1.0.1]
63 xulSnowdale.esp [Version 1.0.1]
64 Feldscar+Snowdale Patch.esp [Version 1.0]
65 OOO-Snowdale Patch.esp
66 xulCliffsOfAnvil.esp [Version 1.12]
67 OOOCliffsofAnvilPatch.esp [Version 1.0]
68 xulSilverfishRiverValley.esp [Version 1.0.1]
69 NRB4+UL-II+LtPD Patch.esp [Version 3.0.1]
6A ImpeREAL Empire - Unique Forts.esp
** ImpeREAL Empire - Unique Forts - Slofs Horses - By Xtudo.esp
6B ImpeREAL Empire - Unique Forts - OOO FCOM patch by Xtudo.esp
6C ImpeREAL Forts + Silverfish River Patch.esp
6D ImpeREAL Forts + Lost Spires + Silverfish River Patch.esp [Version 1.0]
6E West Roads.esp
6F BrinaCrossVillage.esp [Version 1.0.3]
70 BrinaCrossVillage -- COBL.esp
71 Brina Cross Village--Unique Forts Patch.esp
72 Frostcrag Village.esp [Version 1.0.3]
73 Fort Akatosh Redux.esp
74 FortAkatoshRedux-NewRoads&Bridges patch.esp
75 Salmo the Baker, Cobl.esp [Version 3.08]
76 Open Cities New Sheoth.esp [Version 2.0]
77 Open Cities Reborn.esp [Version 1.0.1]
78 ImpeREAL Empire - Unique Castles - All The Castles - OCR.esp [Version 1.1.5]
79 OCR + OOO Patch.esp [Version 3.0.1]
7A OCR+ULCH Patch.esp [Version 1.0]
++ OCC-COBL-Wells.esp
7B OCR+ULBWForest Patch.esp [Version 1.0.2]
7C OCR+Cheydinhal Falls Patch.esp [Version 1.0]
7D OC+ULSkingradOutskirts Patch.esp [Version 1.0.1]
7E Harvest [Flora].esp [Version 3.0.0]
++ Harvest [Flora] - Shivering Isles.esp [Version 3.0.0]
++ Harvest [Flora] - DLCVileLair.esp [Version 3.0.0]
7F Harvest [Flora] - DLCFrostcrag.esp [Version 3.0.0]
80 AutoBookPlacer.esp [Version 3.02]
81 Soulgem Magic.esp [Version 1.0]
82 Enhanced Economy - House prices.esp [Version 1.0]
83 RealisticFatigue.esp
84 RealSleepExtended.esp [Version 2.5]
85 RefScope.esp [Version 2.1.2]
86 kuerteeAttributeAndSkillBasedDamageModifiers.esp
87 nGCD.esp
88 nGCD Oghma Infinium.esp
++ nGCD Skeleton Key.esp
89 ProgressArmorer.esp [Version 1.0]
++ Immediate Character Generation.esp
** Cava Obscura - Cyrodiil.esp
** Cava Obscura - SI.esp
** Cava Obscura - Filter Patch For Mods.esp
++ Item interchange - Placement.esp [Version 0.78]
++ Item interchange - Placement for Frostcrag Reborn.esp [Version 0.78]
8A bgBalancingEVCore.esp [Version 10.52EV-D]
++ EVE_KhajiitFix.esp
8B bgMagicEV.esp [Version 1.7EV]
++ bgMagicSpellTomes_for_WryeBash.esp [Version 1.68EV]
++ bgMagicItemSigil.esp [Version 1.68EV]
8C bgMagicBonus.esp [Version 1.7EV]
++ bgMagicEVAddEnVar.esp [Version 1.68EV]
** bgBalancingEVOptionalNPCDiversity, TNR Merge.esp [Version 10.0EV-D]
** bgBalancingOptionalNPCDiversityKvatchRebuilt, for Wrye Bash.esp [Version 9.0EV-D]
8D bgBalancingEVLAMEAddition.esp [Version 10.51EV-D]
++ bgBalancingEVLAMEGlue.esp [Version 10.0EV-D1.62EV]
** bgBalancingEVOptionalNPCDiversityLAME.esp [Version 10.5EV-D]
++ bgBalancingEVOptionalSeamReducerHighElfFix.esp [Version 10.0EV-D]
8E bgIntegrationEV.esp [Version 1.0]
8F OCR + Integration Patch.esp [Version 3.0]
90 Silverfish&bgIntegrationPatch.esp
** bgMagicEVShader.esp [Version 1.7EV]
++ bgMagicShaderLifeDetect.esp [Version 1.68]
91 bgMagicLightningbolt.esp
** NRB4 OCReborn Road Record.esp
++ Cobl Filter Late MERGE ONLY.esp [Version 1.53]
++ OOO Harvest Containers Filter patch for mods.esp [Version 1.03]
** All Natural - Indoor Weather Filter For Mods.esp [Version 1.3]
92 Bashed Patch, 0.esp
93 Enhanced Seasons.esp [Version 1.3.2]
94 OBGE - Liquid Water.esp