As far as I know, The Mechanist's lair can build sim settlements.
Other locations where sim settlements can be built have the same problem.
Is it because I installed something missing?
# Automatically generated by Vortex
Fallout4.esm
DLCRobot.esm
DLCworkshop01.esm
DLCCoast.esm
DLCworkshop02.esm
DLCworkshop03.esm
DLCNukaWorld.esm
Unofficial Fallout 4 Patch.esp
HUDFramework.esm
WorkshopFramework.esm
AAF.esm
ArmorKeywords.esm
SimSettlements.esm
TrueStormsFO4.esm
IDEKsLogisticsStation2.esl
BodyTalk3-LooksMenu.esp
VIS-G Item Sorting.esp
BetterSettlers.esp
SavageCabbage_Animations.esp
BetterSettlersNoLollygagging.esp
Atomic Lust.esp
Crazy_Multi-Tool.esp
EasyHacking.esp
EasyLockpicking.esp
ValdacilsItemSorting-00-ValsPicks-DLCVersion.esp
ValdacilsItemSorting-ArmorBySlot.esp
ValdacilsItemSorting-CosmeticsByClass.esp
Crazy_Animation_Rugs.esp
LMBTOverlays.esp
LooksMirror.esp
LooksMenu.esp
MiscHairstyle.esp
CBBE.esp
dD-Enhanced Blood Basic.esp
dD - Screen Blood Duration Medium.esp
FO4 Seasons - Autumn - AllDLC.esp
OutcastsAndRemnants.esp
AzarPonytailHairstyles.esp
The Eyes Of Beauty.esp
TrueStormsFO4-EarlierSunsets.esp
TheEyesOfBeauty.esp
Depravity.esp
AA FusionCityRising.esp
BetterCompanions.esp
aSexMod.esp
3DNPC_FO4Settler.esp
ProjectValkyrie.esp
3DNPC_FO4Settler_SimSettlements.esp
EveryonesBestFriend.esp
SurvivalOptions.esp
FO4 NPCs Travel.esp
SimSettlements_XPAC_RiseOfTheCommonwealth.esp
FP_SimSettlements-Leaderpack.esp
Sim_Settlements_Mayors.esp
actress piper.esp
Pip-Boy Flashlight.esp
Please help me, thanks!!