Kyojin, I only have limited experience with trying it out in the post-1.5 version. One game so far, heavily modded with the usual suspects of nsc, rs, ds, isb but also with pre-ftl. It appears to be scientists but they are not "real" as my leader pool never changes. I am using an earth based culture with the civics of beacon of liberty and free haven. Xenophile, materialist, egalitarian.

I am having this bug, heavily modded. Playing Earth-based Humanoid species. Egalitarian, Pacifist, Materialist. Civics are Idealistic Foundation and Parllamentary System.

I have experienced the bug. The "leader" who died was the designated heir. Once they died a new heir was chosen and appeared with different stats. That heir then spawned as the "commander" on a trade ship and died when that ship despawned as well.

Originally posted by Peregry:

I have experienced the bug. The "leader" who died was the designated heir. Once they died a new heir was chosen and appeared with different stats. That heir then spawned as the "commander" on a trade ship and died when that ship despawned as well.

Can you give me the details on your empire and game?

Yes this is happened, I got this message "xxx leader died when xxx ship was destroyed" I spent the next five minutes trying to figure out which of my ships was destroyed.

ALSO! Is there any way to get rid of all the civilian trade ships flooding my "Civilian ships" panel? I have 4 civilian ships that I built, and 12 civilian ships swooping around and it's annoying to search for the ships I actually care about.

@Forvet I need the details of your empire and game like I said in the OP.

Not sure if this will help you but here we go:
Running a fairly clean post 1.5 - as in ONLY your mod running.

Custom empire - mamalian, imperial gov, (the energy perk +15% - forgot the name).

What I can tell you is that these factors seem not to matter as it happens in all my games when I choose different:
1. planet types
2. gov type
3. ship type

This "bug" happens as the ship is despawned after docking. The NPC leaders that are dying for me are NOT in my pool of leaders... in fact it doesn;t even register the ship name just ISS...

Item of Note:
I do have the mod star trek horizons but it is not enabled.

I'm open to try some different combinations that you can think of as I enjoy your mod and want it working smoothly again.

I just started getting this issue too. Can provide my save file if needed.

Ok, running the following mods:

New Ships Classes & More v5.0
48 Empire Colors Revival
Civilian Trade
Extra Events
Fallen Empire Expanded v1.4
Fox Leader Mod
Gods and Guardians
Guilli's Planet Modifers
Homeworld Ethics
More Home Systems
Multiple Crisis
Plentiful Traditions
Rebalnced Tech Cost Increases!
Ruler Level System
Stellar Energy
UI Overhaul 1080p

Government authority was Imperial, Governing Ethics were Xenophobia, Militarism, and Spiritualism, with governing civics as Aristocratic Elites, Philosopher King, and Distiguished Admiralty.

Any other details needed?

Started a new game with as few mods as I could live with :P
Still getting the leader bug.

Savegame file and modlist
https://1drv.ms/f/s!Ao5bmv6vBg78gs4PrwYauHc21Q_7kA

I'm getting this bug, every now and then whenever a trade ship docks it will give me the message "Governor XXX died when the LUS was destroyed." LUS is the prefix of all my ships, Lombax United Ship. None of the "governors" that die are in my leader pool and it never gives an actual ship name.

Running mods:
System Variety - Galactic Wonders+Habitability 2017
Annex Country
Attachments Extended
Reworked Planets
Civilian Trade
Color coded pop status icons

Government:
Citizen Stratocracy
Governing Ethics: Egalitarian, Militarist, Materialist
Civics: Technocracy, Citizen Service
Authority: Oligarchic

Species information: Lombax
Mammalian
Traits: Natural Engineers, Conformists, Sedentary
Environmental preference: Arid

Getting the bug too, though when leaders change it is actually removing my new heir until I make a change in the leaders, either by recruiting or re-assigning. Game details below.

Custom Empire. Traits: Industrious, rapid breeders, enduring, conformists, cisgenic (mod added trait), Tropical preference
Imperial Government.
Authoritarian/Militant/Materialist ethics.
Slaver Guilds, Distinquished Admeralty, Nationalistic Zeal civics

Galaxy, Large Eliptical.

Mods. Largely cosmetic/GUI, but there are a lot.
Plentiful Traditions, Young Leaders, Unobscured Galactic Center, Stellar Expansion, CoFH UI - Specied Mod, Better Night Lights, Utopia Expanded, Megastructure Improvements, Horizon Signal Fix, 25 Tile Homeworld, 20 Tile Habitat, Diverse Rooms, Animated Synetic Portraits, Clean System View, Proxima: Traits, Rebalanced Research Penalties, Auto Survery at start, Re:Robots+, Shut up we don't care, Star Wars Weapons, More Tilesets, Alpine Tiles, Savannah Tiles, Extended Traits, Extended Emblems, Quintessential British Namelist, Svafa's Expanded Species Traits, Roman Names List, Zoom and Aesthetics Mod, Nekomimi Paradise, Crystallis Ship Modules Expansion, Repeatable Genetics, Ethics Divergence Edits, Start with System Surveyed and Mined, Kitsunemimi, Expanded System Names, Fix for Broken Shields, Fox Portrait Dimorphism, Larger Sector Name, Color Coded pop status icon, Stargate Emblem Pack, Cat Portrait Dimorphism, Beautiful Universe v2.0, UI Overhaul 1080p, Federation Leader Notification, Cybrxkhan's Assortment of Namelists, Epic Exlosions, Smaller Resource Icons, Cleaner Sectors, YBeautiful Battles Companion, Civilian Trade, Flags: Emblems & Backgrounds, Expanded Colours (144 Colours), Reduce Aura Graphics, ZBeautiful Battles

Just had this bug happen in an unusual way last night; I hired a curator scientist and assigned him to do research for me. Almost immediately after that he took command of a trade ship (which I did not tell him to do) and died when that ship docked. I hired a 2nd curator scientist and he tried to take command of another trade ship but I caught before he did and put him back in research.

I've had the usual bug where it kills of "fake" scientists and admirals too but that doesn't actually effect gameplay so much as be annoying.

Some Empire stats that might help:

Government: Democracy
Ethics: Materialist/Militarist/Eglatarian
Civics: Citizen Service, Efficient Bureauracy, Technocracy
46 planets, 5 sectors.

Too many mods to list; but I do have NSC and most of the more popular mods.

Hey Author, I took a look the mod event file, I think adding "kill_leader" with "show_notification = no" in civtrade.2, civtrade.7, and civtrade.66 before the mod delete the ship can solve this bug.

Originally posted by jasonpepe:

Hey Author, I took a look the mod event file, I think adding "kill_leader" with "show_notification = no" in civtrade.2, civtrade.7, and civtrade.66 before the mod delete the ship can solve this bug.

Unfortunately it does not. The problem seems to be that the leaders that are spawning are sometimes not registered as real leaders. Also the show notification = no doesn't seem to actually work.