(Couldn't find a reasonable place to put this as MegaPack Nexus just links to the top forum).
There are a number of errors in the SimSettlements_MegaPack_YearTwo.esp from 1.0.2a per FO4Edit 4.0.3. Sometimes "errors" are intended and I think nulls are benign, so I didn't want to run straight to bugs sections...
[00:00] Start: Checking for Errors
[00:00] Checking for Errors in [03] SimSettlements_MegaPack_YearTwo.esp
[00:11] still checking for Errors in [03] SimSettlements_MegaPack_YearTwo.esp
[00:20] ABIT_Gold_Ore_SCOL [SCOL:03002812]
[00:20] SCOL \ Parts \ Part \ ONAM - Static -> Found a NULL reference, expected: ACTI,ALCH,AMMO,BOOK,CONT,DOOR,FURN,MISC,MSTT,STAT,TERM,WEAP
[00:20] ABIT_Granit_SCOL [SCOL:03002817]
[00:20] SCOL \ Parts \ Part \ ONAM - Static -> Found a NULL reference, expected: ACTI,ALCH,AMMO,BOOK,CONT,DOOR,FURN,MISC,MSTT,STAT,TERM,WEAP
[00:20] ABIT_Silver_Ore_SCOL [SCOL:0300281E]
[00:20] SCOL \ Parts \ Part \ ONAM - Static -> Found a NULL reference, expected: ACTI,ALCH,AMMO,BOOK,CONT,DOOR,FURN,MISC,MSTT,STAT,TERM,WEAP
[00:20] ABIT_Uranium_Ore_SCOL [SCOL:03002835]
[00:20] SCOL \ Parts \ Part \ ONAM - Static -> Found a NULL reference, expected: ACTI,ALCH,AMMO,BOOK,CONT,DOOR,FURN,MISC,MSTT,STAT,TERM,WEAP
[00:20] ABIT_Geology_Lab_Stage1_SCOL [SCOL:03003851]
[00:20] SCOL \ Parts \ Part \ ONAM - Static -> Found a NULL reference, expected: ACTI,ALCH,AMMO,BOOK,CONT,DOOR,FURN,MISC,MSTT,STAT,TERM,WEAP
[00:20] ABIT_DN116OuthouseStaticCollection [SCOL:03007C57]
[00:20] SCOL \ Parts \ Part \ ONAM - Static -> Found a NULL reference, expected: ACTI,ALCH,AMMO,BOOK,CONT,DOOR,FURN,MISC,MSTT,STAT,TERM,WEAP
[00:20] ABIT_IndustrialGreeb05 [SCOL:03007C91]
[00:20] SCOL \ Parts \ Part \ ONAM - Static -> Found a NULL reference, expected: ACTI,ALCH,AMMO,BOOK,CONT,DOOR,FURN,MISC,MSTT,STAT,TERM,WEAP
[00:20] ABIT_IndustrialGreeb03 [SCOL:03007C93]
[00:20] SCOL \ Parts \ Part \ ONAM - Static -> Found a NULL reference, expected: ACTI,ALCH,AMMO,BOOK,CONT,DOOR,FURN,MISC,MSTT,STAT,TERM,WEAP
[00:20] ABIT_IndRev_PlasticSpinner_SCOL [SCOL:03007CC1]
[00:20] SCOL \ Parts \ Part \ ONAM - Static -> Found a NULL reference, expected: ACTI,ALCH,AMMO,BOOK,CONT,DOOR,FURN,MISC,MSTT,STAT,TERM,WEAP
[00:20] Argy_Inst_Indoor_Glassbed_Level3_SCOL01 [SCOL:0300D19F]
[00:20] SCOL \ Parts \ Part \ ONAM - Static -> Found a NULL reference, expected: ACTI,ALCH,AMMO,BOOK,CONT,DOOR,FURN,MISC,MSTT,STAT,TERM,WEAP
[00:21] [DLCworkshop03_En.DLSTRINGS] Using encoding (from language): 1252 (ANSI - Latin I)
[00:21] [DLCworkshop03_En.ILSTRINGS] Using encoding (from language): 1252 (ANSI - Latin I)
[00:21] [DLCworkshop03_En.STRINGS] Using encoding (from language): 1252 (ANSI - Latin I)
[00:21] ABIT_Clutter_IndFanWithGreebleAndSmoke01 [PKIN:03007C88]
[00:21] PKIN \ CNAM - Cell -> [03007C89] < Error: Could not be resolved >
[00:22] Done: Checking for Errors, Processed Records: 8327, Errors found: 11, Elapsed Time: 00:22
There are a number of errors in the SimSettlements_MegaPack_YearTwo.esp from 1.0.2a per FO4Edit 4.0.3. Sometimes "errors" are intended and I think nulls are benign, so I didn't want to run straight to bugs sections...
[00:00] Start: Checking for Errors
[00:00] Checking for Errors in [03] SimSettlements_MegaPack_YearTwo.esp
[00:11] still checking for Errors in [03] SimSettlements_MegaPack_YearTwo.esp
[00:20] ABIT_Gold_Ore_SCOL [SCOL:03002812]
[00:20] SCOL \ Parts \ Part \ ONAM - Static -> Found a NULL reference, expected: ACTI,ALCH,AMMO,BOOK,CONT,DOOR,FURN,MISC,MSTT,STAT,TERM,WEAP
[00:20] ABIT_Granit_SCOL [SCOL:03002817]
[00:20] SCOL \ Parts \ Part \ ONAM - Static -> Found a NULL reference, expected: ACTI,ALCH,AMMO,BOOK,CONT,DOOR,FURN,MISC,MSTT,STAT,TERM,WEAP
[00:20] ABIT_Silver_Ore_SCOL [SCOL:0300281E]
[00:20] SCOL \ Parts \ Part \ ONAM - Static -> Found a NULL reference, expected: ACTI,ALCH,AMMO,BOOK,CONT,DOOR,FURN,MISC,MSTT,STAT,TERM,WEAP
[00:20] ABIT_Uranium_Ore_SCOL [SCOL:03002835]
[00:20] SCOL \ Parts \ Part \ ONAM - Static -> Found a NULL reference, expected: ACTI,ALCH,AMMO,BOOK,CONT,DOOR,FURN,MISC,MSTT,STAT,TERM,WEAP
[00:20] ABIT_Geology_Lab_Stage1_SCOL [SCOL:03003851]
[00:20] SCOL \ Parts \ Part \ ONAM - Static -> Found a NULL reference, expected: ACTI,ALCH,AMMO,BOOK,CONT,DOOR,FURN,MISC,MSTT,STAT,TERM,WEAP
[00:20] ABIT_DN116OuthouseStaticCollection [SCOL:03007C57]
[00:20] SCOL \ Parts \ Part \ ONAM - Static -> Found a NULL reference, expected: ACTI,ALCH,AMMO,BOOK,CONT,DOOR,FURN,MISC,MSTT,STAT,TERM,WEAP
[00:20] ABIT_IndustrialGreeb05 [SCOL:03007C91]
[00:20] SCOL \ Parts \ Part \ ONAM - Static -> Found a NULL reference, expected: ACTI,ALCH,AMMO,BOOK,CONT,DOOR,FURN,MISC,MSTT,STAT,TERM,WEAP
[00:20] ABIT_IndustrialGreeb03 [SCOL:03007C93]
[00:20] SCOL \ Parts \ Part \ ONAM - Static -> Found a NULL reference, expected: ACTI,ALCH,AMMO,BOOK,CONT,DOOR,FURN,MISC,MSTT,STAT,TERM,WEAP
[00:20] ABIT_IndRev_PlasticSpinner_SCOL [SCOL:03007CC1]
[00:20] SCOL \ Parts \ Part \ ONAM - Static -> Found a NULL reference, expected: ACTI,ALCH,AMMO,BOOK,CONT,DOOR,FURN,MISC,MSTT,STAT,TERM,WEAP
[00:20] Argy_Inst_Indoor_Glassbed_Level3_SCOL01 [SCOL:0300D19F]
[00:20] SCOL \ Parts \ Part \ ONAM - Static -> Found a NULL reference, expected: ACTI,ALCH,AMMO,BOOK,CONT,DOOR,FURN,MISC,MSTT,STAT,TERM,WEAP
[00:21] [DLCworkshop03_En.DLSTRINGS] Using encoding (from language): 1252 (ANSI - Latin I)
[00:21] [DLCworkshop03_En.ILSTRINGS] Using encoding (from language): 1252 (ANSI - Latin I)
[00:21] [DLCworkshop03_En.STRINGS] Using encoding (from language): 1252 (ANSI - Latin I)
[00:21] ABIT_Clutter_IndFanWithGreebleAndSmoke01 [PKIN:03007C88]
[00:21] PKIN \ CNAM - Cell -> [03007C89] < Error: Could not be resolved >
[00:22] Done: Checking for Errors, Processed Records: 8327, Errors found: 11, Elapsed Time: 00:22