Chronicles broke mod, how to update mod to new DLC?

[Keinoshi]

Yes, the civilizations can be overriden via a civilizations.json file.
See:

Many data mods are failed to load data set

Hi there! This is not related to the “import local mods” problem that was addressed last month. However, the error message describes what you should do. Touching the data file with AGE is not necessary if you do not want to update it, and you only need to add a “civilizations.json” file next to the dat file in your data mod folder (you can copy it from the base game). Then you will need to open and edit the json to remove three new civilizations from the bottom, so that only 45 civs are expec…

So long as the number of civilizations defined in the data mod matches the number of civilizations in the civilizations.json file, the mod should work.

Assuming you have all but the latest 3 civilizations in your mod, you can copy the base game’s civilizations.json file to your mod’s dat folder and remove the 3 new civilizations from that file.

Many data mods are failed to load data set

The current civilizations.json file has 48 civilizations, while the mod data file only has 45. If you edit the mod’s civilizations.json file and delete the last three civilizations (lines 1229 to 1308), it should work. Below is the portion to delete: { "internal_name": "Achaemenids", "tech_tree_name": "ACHAEMENIDS", "data_name": "ACHAEMENIDS-CIV", "hud_style": "CivPersian", "tech_tree_image_path": "/resources/civ_techtree/menu_techtree_achaemenids.png", "emblem_…