STEP 1.
If you are playing an FM23 save in FM24, then this fix also needs to be installed in ALL the folders indicated in this thread which apply to your installation.
OPEN
Program Files (x86)\Steam\SteamApps\common\Football Manager 2024\data\database\db\2400
DELETE only the dbc , edt and lnc folders
Notes: \Program Files (x86)\
could be \Program Files\
depending on your set up.
Equivalent folders for PC players on Gamepass
Equivalent folders for PC players on Epic Games
Equivalent folders for Mac users
Equivalent folders for Xbox players on Gamepass
Equivalent folders for FM TOUCH 24 on Mac users
Equivalent folders for Steam Deck users
STEP 2:
COPY the dbc, edt and lnc folders from the downloaded pack
STEP 3:
PASTE them into each of your respective folders mentioned in step 1.
These are what the respective folder structures should look like in the 2400 folder:
(screenshots to be updated later)
dbc:

dbc/permanent:

edt/permanent:

lnc:

Steps 4 and 5 do NOT apply for the beta version
STEP 4:
COPY the 9 files located in the EDITOR DATA FILES folder in the downloaded pack
STEP 5
PASTE to \Documents\Sports Interactive\Football Manager 2023\editor data
This is also the same folder to be used for Gamepass.