Just as a little Test i removed the ideas from the Mission requirements and voilà.
It works just fine now.
So yeah, maybe change the code to not require those specific ideas.
The mission is late enough to not warrant needing an idea requirement.

Hovering the Imperium Aeternum Mission causes my game to outright crash.
Not even the Province or Effect Highlight, but the icon itself as well.
I wonder what could cause that.
The fact that as a custom nation i don't have those specific ideas perhaps?

@Lemon Cake p sure he just wants ur permission verbally broski sikibivlandoski

Ah I see you did leave the comment across a bunch of these mods, sorry but to copy paste:

@aiimperator thanks to hear your support though, but when it comes to translating, I am very bad with languages and very not qualified to do it, I will be honest. I remember something a while back asked me for permission to translate it to Chinese, but I have no idea how that project is going. I am happy to assist providing the files for the mod (although you don't need me to get those) otherwise I am not sure what I can do.

Whether you agree or not,please respond.Thank you very much.

Greetings, my esteemed friend, albeit we are strangers, the passion you hold for Rome shines forth in the game MOD you have crafted. Across the globe, in the vast land of China, there too lies a multitude of individuals deeply enchanted by the allure of Rome. I humbly beseech you to grant me and my companions permission to translate your Roman mission into the Chinese language, so that we may share the joy of rebuilding Rome with a broader audience.No matter what,I hope to receive your reply. I am immensely grateful.

is this compatible with Europa Expanded?

tysm

Could make an ET compatable version in fairness

please make one for Western rome in ET

no indeed, it does change building code @nathe235 for the uni buffs so it would be incompatable/require compatability patch basically

This mod causes the roads of trade goods expanded to not work.

Great mod! May I translate it into Chinese and make a sub mod?

Ah, that mission gives you a modifier called 'Eternal Golden Age' which is the golden age buffs without the all power costs... I am assuming a mod your running also gives a modifier under the same name, hence the crash.

Hovering over one of the missions - Imperium Aeternum - immediately crashes my game. It's the only mission where that happens. There's probably some sort of mod conflict going on since I'm honestly using a ton of them, but could you tell me what the rewards were for that mission? I used the console to complete it without having to click it, but I'm curious to know what the requirements and rewards would've been

@Lemon_Cake Shouldn't Milano be Mediolanum?

Idea Variation doesn't change national ideas as far as I'm aware, but it does change the idea groups, adds a whole bunch of new idea groups, adds a bunch of new buildings (which a lot of changes to the tech files), replaces the government reforms starting with the second reform (the Intial one that everyone starts out with remains mostly unffected) and bunch of other stuff

@Stuff_the_Second not sure, if it changes national ideas, nope, cos the missions upgrade the Roman Ideas, but if it only changes things like quanity/quality etc that should be good!

@tegarme yes some Byz missions are blocked, also it scopes to only specifically animist pagans now

@umturock that should be fixed with the latest update, there was indeed an issue.

Comparch for Idea Variation?

It's blocking some of byz missions also you cant for Rome as pagan nation

Update: so I've found the problem, it's bc in buildings.txt of the mod universities has {has = rom_uni_infra} as the constraint for the buff but the missions sets the flag {lemon_uni_infra}. However I come up with a better solution than simply changing constraint flags: Simply put
local_culture_conversion_time = -0.5
in a new line under allowed_num_buildings of the university building. As far as I've tested this works and and maybe is even better performance-wise
Also adding modifier = {trade_goods_size = 1.5} to weapons manufactories and disabling the rom_iron_for_state flag check makes it so it updates instantly rather than adding a province modifier. (I'm not responsible if your game crashes bc of these modifications)

I can't get the universities to reduce the culture conversion time. I don't know if it's supposed to be by the building itself or a province modifier where the building is built but it never shows any effect about it. I've completed the mission both ahead of tech for universities and after unlocking them. I've tried it with pre-built universities and building after completing. It just doesn't show.
Also, it'd be nice if we could have an idea about what the new national ideas gonna be after completing the religious missions, are they different for catholic-orthodox-animist?

Whenever I play, the second tier of the trade buildings is replaced by a building that appears to be selectable. But, it has no name and I cannot build it. The cost is also listed as something like "A20000". I suspect this has something to do with the crashing that happens if I linger in the province UI too long or click through provinces too fast.

Otherwise this mod is absolutely goated and the challenge of working toward the Roman Empire and then completing these missions rekindled my love for the game!

Yup, those two missions are impossible now.

With dlc, both Byzantium and Italy have missions that require being the Roman Empire to complete. Since country formation decisions switch mission trees immediately, this renders those aforementioned missions impossible to complete

Honestly might just remove those two

The mission should scope to trading in, is it leading producer? Oh no... I will go fix that asap @the Totteficator

The mission Mercator Omnium. To become the leading producer of cocoa and tobacco one would probably need to move the capital to the new world to avoid colonial nations. One of my colonies is the leading producer in both... Changing my capital from Rome to something else feels pretty bad :(

That's very fair, but I wanted to avoid those kind of pulse events, since indeed it can be a lag bomb. A year is probably fair, but scoping to all those provinces can be pretty bad lag wise, so adding a lag spike yearly may also be a bad idea. Compared to just.. having it work as a building change.

That's fair. It would probably be an On-Action.

The Event would go like this:
1. Once a year, the Event fires.
2. It checks to see if the Province is a Core of Rome.
3. It checks to see if Rome did the Mission or not.
4. If it does, it looks for the building.
5. If it's there, it adds the Province Modifier.
6. If it's not, nothing happens, but if the Province Modifier is there by accident, it removes it.

It has to be yearly, otherwise it's a lag bomb.

I mean, I copied the code from Paradox when they added -1 unrest to courthouses: tldr; every courthouse gives -1 unrest, but that ability is only active if you pop a specific mission.

I am not sure how to do it through events in fairness

IMO, you don't need to overwrite the Buildings. You can instead add Events that add Province Modifiers to Provinces that have a given Building that you want to enhance.

animist rome is crazy

Thanks! Wonderful!

Bro understood the assignment

Nope, any non cosmetic changes won't be ironman compatible

I assume these are not Iron man compatible? For purpose of 1 faith or other late game "boring" achievments?

@valleyland no free formation, you do have to form Rome yourself first though!

Sorry, the trade depo building thing has now been fixed, that occured due to a 'fun' moment with how I implimented the buff to unis.

Regarding changes to the "01_monuments.txt" unfortunately yes, I changed exactly one monument and made it usable while animist for a mission. I am not sure how to change the one monument in isolation I am afraid, and since the mod faith missions require specific monuments too, mods that change those may have compatability issues full stop.

This mod seems to remove/break the "trade depot" building. No other mods running. It can't be built, has no tooltip and a different icon. Stock exchange says "replaces building_nobuilding".

wtf? just yesterday i was thinking of searching for a roman empire in 1444 or sum like that mod. peak

Looks great! One question, have you changed anything else in the "01_monuments.txt" other than allowing roman culture to build them? Thinking about compability with other mods.

One day we will force every EU4 youtuber to play it

Lemon Cake! He did it!!!

@RusNats I believe in you!

I know right, so weird it all happened like that :)

Congrats on the mod, Lemon Cake. Too bad I'm too noob to create Roma in the first place.

And so did you