did you fix this issue? i got the same one as you

hi. mod conflicts with mod Extra Equip Slots. https://gtm.steamproxy.vip/sharedfiles/filedetails/?id=375850593. when wilson grows a beard

[00:05:27]: [string "scripts/components/equippable_replica.lua"]:15: calling 'set' on bad self (number expected, got nil)
LUA ERROR stack traceback:
=[C]:-1 in (method) set (C) <-1--1>
scripts/components/equippable_replica.lua:15 in (method) SetEquipSlot (Lua) <14-16>
scripts/components/equippable.lua:2 in (field) ? (Lua) <1-3>
scripts/class.lua:43 in () ? (Lua) <36-45>
scripts/prefabs/beard_sack.lua:44 in (upvalue) fn_mastersim (Lua) <39-56>
scripts/prefabs/beard_sack.lua:68 in (field) fn (Lua) <58-71>
scripts/mainfunctions.lua:362 in () ? (Lua) <347-397>
=[C]:-1 in (method) SpawnPrefab (C) <-1--1>
scripts/mainfunctions.lua:409 in (upvalue) _SpawnPrefab (Lua) <403-411>
../mods/workshop-1378549454/gemscripts/tools/specialprefabspawner.lua:45 in (global) SpawnPrefab (Lua) <40-50>
scripts/components/beard.lua:270 in (method) UpdateBeardInventory (Lua) <253-290>
scripts/components/beard.lua:34 in (field) ? (Lua) <7-36>
scripts/components/worldstate.lua:32 in (upvalue) SetVariable (Lua) <24-48>
scripts/components/worldstate.lua:60 in (local) fn (Lua) <59-61>
scripts/entityscript.lua:1238 in (method) PushEvent_Internal (Lua) <1225-1254>
scripts/entityscript.lua:1257 in (method) PushEvent (Lua) <1256-1258>
scripts/components/clock.lua:391 in (method) OnUpdate (Lua) <322-440>
scripts/update.lua:262 in () ? (Lua) <224-298>

I did it according to the instructions in this link. Everything works for me. I hope this will help you. https://gtm.steamproxy.vip/workshop/filedetails/discussion/375850593/6252726091241773286/