This is the log of things that need to be added into the startpos to get it to work.
I have done these however im getting crashes on the new update and cant figure out exactly why.
if someone realises what the problem is let me know, cheers.

NEW FACTION CREATION....

ADD SUBCULTURE IN CULTURES_SUBCULTURES
wh_main_sc_chaos_nurgle
(tie in culture, wh_main_chs_chaos)
(record the ID for tie back into DB)
1503789829

995899221

TIE UP IN CULTURE PACKS.
(wh_main_chs_chaos--->wh_main_sc_chaos_nurgle)

ADD RECORD IN FACTIONS.
_steel_nurgle_faction -->**DO NOT tie in new subculture**, DO make playable, make mp available,
update screen name: Hordes of the Despoiler
update flags: ui\flags\_steel_nurgle_faction
set primary rgb: 182
update attack and defense text??
(record the ID for tie back into DB)

689268176

ADD MAIN UNITS:
Afflicted
Nurgle_PlagueReapers
Plague_Cannon
Unique_Aberghast
Blessed
Slaanesh_Riders
Slaanesh_warriors
Slaanesh_Pleasure_Cannon
chs_swordmaster
Norse_Huskarls
Unique_Aberghast ((MUST BE BASED OFF A LORD TEMPLATE OR CRASH))

ADD AGENT SUBTYPE:
Unique_Aberghast
set auto generate to false
set name override: Aberghast the Despoiler
set caster to true
add Temp_guy that is a bloodthirster?

*Be sure to set soundsets, unit etc as embedded here.
wh_dlc01_vo_actor_Chaos_SorcererLord

SET LORD SKILLSET IN CHARACTER_SKILL_NODE_SETS
Unique_Aberghast (skillset, tie to unit)

ADD EFFECT BUNDLE:
_steel_effect_bundle_aberghast_traits
wh_main_lord_trait_chs_archaon_the_everchosen_2

ADD POLITICAL PARTIES:
wh_main_political_party_chaos_nurgle_council_steel
wh_main_political_party_chaos_nurgle_ruler_steel

ADD MINISTER POSITIONS
wh_main_minister_chs_1_infector
wh_main_minister_chs_1_plagueherald
wh_main_minister_chs_1_aspirant
wh_main_minister_chs_2_marked_one
wh_main_minister_chs_3_champion
wh_main_minister_chs_4_chosen
wh_main_minister_chs_5_exalted
wh_main_minister_chs_6_slaanesh


ADD MINISTERIAL CULTURE DETAILS
edit faction_leader, ensure culture is set to wh_main_chs_chaos, faction is blank and x,y coords are 20? 1,6
wh_main_minister_chs_1_infector (also tie back into faction here), set coords, 2.25,0.35 wh_main_minister_string_grandinfector_description
wh_main_minister_chs_1_plagueherald (also tie back into faction here), set coords, -2.25,0.35 wh_main_minister_string_plagueherald_description
wh_main_minister_chs_1_aspirant set coords, -1.2,0.35 wh_main_minister_string_aspirant_description
wh_main_minister_chs_2_marked_one set coords, 1.2,0.35 wh_main_minister_string_marked_description
wh_main_minister_chs_3_champion set coords, -2.25,1.4 wh_main_minister_string_champion_description
wh_main_minister_chs_4_chosen set coords, -0.75,1.4 wh_main_minister_string_chosen_description
wh_main_minister_chs_5_exalted set coords, 0.75,1.4 wh_main_minister_string_exalted_description
wh_main_minister_chs_6_slaanesh set coords, 2.25,1.4 wh_main_minister_string_slaanesh_description


1224848347
1298784386
454638787
1511085832
9177893
472808230

(record the ID for tie back into DB)
1356801664
300992766

slaan: 397628239
378711947
367582427

ADD LEADER TO FRONTEND FACTION LEADER
wh_main_political_party_chaos_nurgle_ruler_steel
composite_scene/front_end_selection/malagor_selection.csc
UI\Portraits\Faction_leaders\chaos_aberghast2.png
Front_end_selection_movies/malagor_front_end
ui/loading_ui/load_images/campaign_20.png
wh_dlc03_vo_actor_Beastmen_Malagor_the_Dark_Omen
hard

TIE UP IN POLITICAL PARTIES FRONTEND LEADERS JUNCTIONS
wh_main_political_party_chaos_nurgle_ruler_steel

TIE UP IN FACTION POLITICAL PARTIES JUNCTIONS
wh_main_political_party_chaos_nurgle_council_steel ----> _steel_nurgle_faction
wh_main_political_party_chaos_nurgle_ruler_steel ----> _steel_nurgle_faction

CREATE NEW FACTION IN STARTPOS_FACTIONS
_steel_nurgle_faction
set start order: 999
set cai: wh_group_chaos_separatist_default
(record the ID for *tie back into DB*?)
904704088
******do not set faction to major?


ADD IN NAMES
309561053 (Aberghast)
420054123 (the Despoiler)
(record the ID for tie back into DB)

761121191
1914386988

ADD ART SET INTO CAMPAIGN CHARACTER ART SETS
aberghast_art_set
update subtype: Unique_Aberghast

CREATE NEW STARTPOS CHARACTER...
(use the faction and name id's to fill in the data)
update portrait id: _aberghast_art_set
update main unit: Unique_Aberghast
update subtype: Unique_Aberghast
(record the ID for use in finding the general)
1681564219
set aber start coords 19,175
***perhaps set so isnt fact leader?

1607641038

CREATE STARTPOS HORDE DETAILS...
wh_main_horde_chaos_settlement_1
wh_main_horde_chaos_marauders_1
_steel_cult_1

CREATE NEW ROW IN STARTPOS STARTING GENERAL OPTIONS
(use the id from startpos character to find the general)
update frontend faction leader: wh_main_political_party_chaos_nurgle_ruler_steel
update effect bundle:
1044487645
1962028119

1911649004

ADD NEW UNITS IN STARTPOS STARTING GENERAL OPTION ADDITIONAL UNITS
Nurgle's Afflicted
Nurgle's Afflicted
Plague Reapers of Nurgle
Plague Cannon

Afflicted
Nurgle_PlagueReapers
Plague_Cannon

ADD IN STRATING UNITS INTO STARTPOS LAND UNITS
Nurgle's Afflicted
Nurgle's Afflicted
Chaos Cultists
Chaos Cultists
Mounted Cultists
Mounted Cultists
Chaos Warhounds
Chaos Warhounds
Chaos Spawn

harad_chaos_cultists
Cult_Riders
wh_main_chs_mon_chaos_warhounds_0
wh_main_chs_mon_chaos_spawn

EDIT START POS DIPLOMAZY
add 4 records,
nurgle faction - > blue vipers war
nurgle faction - > chaos military allies
nurgle faction - > order of lorematsers war
nurgle faction - > hexoatl war

**NOW CREATE FOR VOREX CAMPAIGN

Copy record in start_pos_factions
change campaign to Vortex.
1280971653

Copy record in start_pos_characters
Update Faction with Previous ID
Logical Map Coordinates
X: 73
Y: 221
488827622

Copy Record in start_pos_horde Details
Update General with previous ID

Create new records in start_pos_land_units
copy over general ID

Add record in starting_general_options
update general in both fields with ID
1904540818

add records in starting_general_options_additional_units
update general

add two more political parties,
update names and campaign keys

add record in faction_political parties junctions
update party leader to warhammer 2 version

clone record in frontend_faction_leaders
change key to warhammer 2 version of leader,

add record in political party frontend leaders junctions
wh2_main_political_party_chaos_nurgle_ruler_steel --> wh2_main_political_party_chaos_nurgle_ruler_steel

dont forget to add in db entires into coop mod also..