Thanks for posting this issue here too Miguel!
Yes I experience this issue also and for some of my mods since 2016. Here are all threads about this issue on the official CA forums:
https://forums.totalwar.com/categories/performance
https://forums.totalwar.com/discussi...ons-and-issues
https://forums.totalwar.com/discussi...e-error-code-2
Here is a workaround with the custom file user.script.txt:
https://forums.totalwar.com/discussi...as-ruined-mods
I recommend to all TWC modders, that they also post their issues on the official CA forums as it is more likely that CA will recognize and fix this problem faster if posted also there.