to prevent trashing the comments, I will write here what is happening
some time ago i start playing LWOTC and encountered issue with advent cosmetic
https://prnt.sc/26wwfxu : priest armour black
https://prnt.sc/26wwgk2 : purifier armour normal
dev is maked 2 fix and bug still here

problem coming back when you loading save
like i make bad move and load previous save and problem comes

And even with reboot and trying load save where u playing problem wont solving,
only loading save on avenger problem wont appears.

here my mods

1. WotC: robojumper's Squad Select
   
2. Allies Unknown: War of the Chosen Edition
   
3. Allies Unknown Redux Species: Turians
   
4. Missing Packages Fix + Resource
   
5. More Nations and Names WotC
   
6. Instant Avenger Menus - WotC
   
7. Custom Soldiers Evac Zone Fix
   
8. [WOTC] Cinematic Rapid Fire (and other abilities)
   
9. Evac All - WotC
   
10. Empty WOTC Deco Slots for XCOM Soldiers (+ Some other empty things)
    
11. [WOTC] Revert Overwatch Rules Change
    
12. Allies Unknown Redux Species: Asari
    
13. X2WOTCCommunityHighlander v1.23.2
    
14. Allies Unknown Species Redux: Krogans
    
15. [WoTC] Mercenary Plasma Weapons
    
16. Enhanced action camera
    
17. Better Second Wave Mod Support
    
18. [WOTC] Generals USA Ranger voicepack
    
19. More Resistance Order pages
    
20. Playable XCOM 2 Aliens
    
21. ETC Weaponry for WotC
    
22. Allies Unknown Redux Species: Sangheili
    
23. [WOTC] Cheeki Breeki Voicepack
    
24. [WOTC] New Target Icons
    
25. [WOTC] Dual Wielded Pistols
    
26. [WOTC] Iridar's Akimbo Class
    
27. [WOTC] WSR Weapon Skin Replacer - Core
    
28. [WOTC] Open Class Weapon Restrictions
    
29. TLP: Unlocker
    
30. Infinite TLP Weaponry
    
31. Legacy Base Uniforms
    
32. Ketaros 2D Package
    
33. [WOTC] Jet Packs
    
34. Cross-Tier SPARK Customization
    
35. [WOTC] Alien Hunters Armor Customization
    
36. Dr.Thrax Voice Pack
    
37. Chosen Reward Variety
    
38. Tactical Information Overhaul [WOTC]
    
39. [WoTC] Mercenary Plasma Hero Weapons
    
40. [WOTC] WSR Weapon Skin Replacer - Configuration
    
41. [WOTC] Rocket Launchers 2.0
    
42. [WOTC] Configurable Immunities
    
43. [WOTC] Ability Editor
    
44. [WOTC] Repurpose Abilities
    
45. [WotC] Enemy Reskinner
    
46. [WOTC Port] XCOM EW EXALT Suits (& Bradford's Sweater) (v1.04)
    
47. [WotC][LWotC] Global Weapon Stat Changer
    
48. Playable XCOM 2 Aliens - Viper Class Overhaul
    
49. [WOTC] EFT BEARs VoicePack
    
50. [WOTC] Skulljack Mind-Controlled Enemies
    
51. [WOTC] Avenger DeJanker
    
52. [WOTC] Iridar's Template Master - Core
    
53. Half-life: Alyx Combine Grunt voicepack
    
54. [WOTC] Iridar's LW2 Laser and Coil Weapons - Assets
    
55. [WOTC] Half-Life Alyx: Combine Heavy & Suppressor Outfits
    
56. [WOTC] Unrestricted Customization Redux
    
57. [WOTC] Iridar's ADVENT Arsenal - Ghost Templates
    
58. [WOTC] Alien Hunters Community Highlander v1.23.2
    
59. [WOTC] Resident Evil Village: BSAA Outfit
    
60. [WOTC] Community Promotion Screen
    
61. Allies Unknown Redux Species: Vipers
    
62. [WOTC] Accurate Situation Report
    
63. [WOTC] Modular ADVENT Cosmetic
    
64. [WOTC] Call of Duty: Modern Warfare Male Operators Outfit Pack II
    
65. [WOTC] Resident Evil 7: Blue Umbrella Outfits
    
66. [WoTC] Hero Gear
    
67. Viper Modular Advent Cosmetics
    
68. Torque Voice Pack
    
69. [WOTC] Call of Duty: Modern Warfare Male Operators Outfit Pack III
    
70. [WOTC] Chimera Squad: Torque Squadmate
    
71. [WOTC] Iridar's Appearance Manager
    
72. Long War of the Chosen
    
73. Mod Jam for Long War of the Chosen
    
74. [WOTC] Capnbubs Accessories 2022
    
75. Viper Animation Depository [WOTC]
    
76. [Customisation Set] Im Too Fancy For Thouse Ayys
    
77. Stop Wasting My Time - WotC
    
78. Bob Ross Voice Pack
    
79. GLA Voice Pack
    
80. Dungeon Cleaners Voice Pack
    
81. Bender voice pack
    
82. AltynHelmet (WOTC)
    
83. Reward Decks Refreshe
    
84. [WotC] Mod Config Menu
    
85. Crazy Russian Officer Voice Pack
    
86. Add Part Names
    
87. New Target Icons
    
88. Yet Another F1
    
89. Ability To Slot Reassignment
    
90. True Primary Secondaries [BETA]
    
91. [WOTC] Musashi's Mods Fixes

Hope this will help and i thank dev to help solve this problem and trying help me