ss 6.4 late era turn 21

[soulson]

CTD

Spoiler Alert, click show to read: 

16:34:06.015 [game.script.trigger] [trace] Trigger <Masons_Governor_Building_Completed> fired
16:34:06.015 [game.script.trigger] [trace] Trigger <governor_building> fired
16:34:06.015 [game.script.trigger] [trace] Trigger <governing19> fired
16:34:06.015 [game.script.trigger] [trace] Trigger <architect_vnv_trigger> fired
16:34:06.015 [game.script.anc] [trace] Ancillary <architect> not added - chance 3, random 87
16:34:06.016 [game.script.trigger] [trace] Trigger <Global_Settlement_Building_Completed> fired
16:34:06.016 [game.script.trigger] [trace] Trigger <Masons_Building_Completed_Stonemason> fired
16:34:06.019 [game.script.trigger] [trace] Trigger <ThinksOfHisPeople_add_3> fired
16:34:06.019 [game.script.trigger] [trace] Trigger <WiseAdministrator_add_6> fired
16:34:06.019 [game.script.trigger] [trace] Trigger <Protector_add_2> fired
16:34:06.019 [game.script.trigger] [trace] Trigger <Protector_add_4> fired
16:34:06.019 [game.script.trigger] [trace] Trigger <PassiveRuler_add_2> fired
16:34:06.019 [game.script.trigger] [trace] Trigger <AbsentMinded_add_1> fired
16:34:06.019 [game.script.trigger] [trace] Trigger <governing6> fired
16:34:06.019 [game.script.trigger] [trace] Trigger <selfperpetuating14> fired
16:34:06.019 [game.script.trigger] [trace] Trigger <biographer_vnv_trigger> fired
16:34:06.020 [game.script.anc] [trace] Ancillary <biographer> not added - chance 5, random 24
16:34:06.020 [game.script.trigger] [trace] Trigger <master_smith_vnv_trigger2> fired
16:34:06.020 [game.script.anc] [trace] Ancillary <master_smith> not added - chance 2, random 29
16:34:06.020 [game.script.trigger] [trace] Trigger <military_engineer_vnv_trigger> fired
16:34:06.020 [game.script.anc] [trace] Ancillary <military_engineer> not added - chance 5, random 64
16:34:06.020 [game.script.trigger] [trace] Trigger <siege_engineer_vnv_trigger> fired
16:34:06.020 [game.script.anc] [trace] Ancillary <siege_engineer> not added - chance 3, random 18
16:34:06.020 [game.script.trigger] [trace] Trigger <armour_custom_city> fired
16:34:06.020 [game.script.anc] [trace] Ancillary <armour_custom> not added - chance 15, random 100
16:34:06.020 [game.script.trigger] [trace] Trigger <Emperor_banner> fired
16:34:06.021 [game.script.trigger] [trace] Trigger <biographer_vnv_trigger> fired
16:34:06.022 [game.script.anc] [trace] Ancillary <biographer> not added - chance 5, random 85
16:34:06.022 [game.script.trigger] [trace] Trigger <military_engineer_vnv_trigger> fired
16:34:06.022 [game.script.anc] [trace] Ancillary <military_engineer> not added - chance 5, random 10
16:34:06.022 [game.script.trigger] [trace] Trigger <siege_engineer_vnv_trigger> fired
16:34:06.022 [game.script.anc] [trace] Ancillary <siege_engineer> not added - chance 3, random 4
16:34:06.023 [game.script.trigger] [trace] Trigger <Near_Loyalty_trigger> fired
16:34:06.024 [game.script.trigger] [trace] Trigger <AINaturalHealthDecline> fired
16:34:06.024 [game.script.trigger] [trace] Trigger <governing_Not_Building> fired
16:34:06.025 [game.script.trigger] [trace] Trigger <Explorers_Exist_Ship_Stack> fired
16:34:06.025 [game.script.trigger] [trace] Trigger <AIScurvyAtSeaTest> fired
16:34:06.025 [game.script.trigger] [trace] Trigger <DiseasedRecoveryInWild> fired
16:34:06.025 [game.script.trigger] [trace] Trigger <Ai_MoveFix1_Add_TimeinRegion3EnemyLands> fired
16:34:06.026 [game.script.trigger] [trace] Trigger <DiseasedRecoveryInTown> fired
16:34:06.026 [game.script.trigger] [trace] Trigger <beguiling_bard_vnv_trigger> fired
16:34:06.026 [game.script.anc] [trace] Ancillary <beguiling_bard> not added - chance 5, random 64
16:34:06.026 [game.script.trigger] [trace] Trigger <dancer_vnv_trigger> fired
16:34:06.026 [game.script.anc] [trace] Ancillary <dancer> not added - chance 5, random 53
16:34:06.027 [game.script.trigger] [trace] Trigger <DiseasedRecoveryInWild> fired
16:34:06.028 [game.script.trigger] [trace] Trigger <foreign_dignitary_vnv_trigger> fired
16:34:06.028 [game.script.anc] [trace] Ancillary <foreign_dignitary> not added - chance 3, random 74
16:34:06.028 [game.script.exec] [trace] exec <if> at line 799 in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt
16:34:06.028 [game.script.exec] [trace] exec <set_event_counter> at line 799 in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt
16:34:06.028 [game.script.exec] [trace] exec <if> at line 803 in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt
16:34:06.028 [game.script.trigger] [trace] Trigger <DiseasedRecoveryInTown> fired
16:34:06.029 [game.script.trigger] [trace] Trigger <agents40> fired
16:34:06.030 [game.script.trigger] [trace] Trigger <DiseasedRecoveryInWild> fired
16:34:06.030 [game.script.trigger] [trace] Trigger <SonofKing_EnviesHeir> fired
16:34:06.030 [game.script.trigger] [trace] Trigger <princess_love> fired
16:34:06.030 [game.script.anc] [trace] Ancillary <secret_love> not added - chance 2, random 34
16:34:06.031 [game.script.trigger] [trace] Trigger <AINaturalHealthDecline> fired
16:34:06.031 [game.script.trigger] [trace] Trigger <governing6> fired
16:34:06.031 [system.rpt] [error] Medieval 2: Total War encountered an unspecified error and will now exit.

[bɑne]

Might be random, move some of your units around differently before hitting end turn. If it happens again, post your campaign setup more detailed along with everything else you can think of (see howto sticky).