Code:
23:16:09.177 [data.invalid] [error] Target building level not allowed: , large_town -> castle, cannon[0](gunsmith) -> castle_cannon[0](c_gunsmith)
23:16:09.177 [data.invalid] [error] Target building level not allowed: Nationalist Revolutionaries, large_town -> castle, cannon[0](gunsmith) -> castle_cannon[0](c_gunsmith)
23:16:09.177 [data.invalid] [error] Target building level not allowed: United States, large_town -> castle, cannon[0](gunsmith) -> castle_cannon[0](c_gunsmith)
23:16:09.177 [data.invalid] [error] Target building level not allowed: United States, citadel -> city, castle_barracks[4](armoury) -> barracks[3](militia_drill_square)
23:16:09.177 [data.invalid] [error] Target building level not allowed: Beiyang Army, large_town -> castle, cannon[0](gunsmith) -> castle_cannon[0](c_gunsmith)
23:16:09.177 [data.invalid] [error] Target building level not allowed: Beiyang Army, fortress -> city, castle_barracks[3](barracks) -> barracks[2](city_watch)
23:16:09.177 [data.invalid] [error] Target building level not allowed: Beiyang Army, citadel -> city, castle_barracks[3](barracks) -> barracks[2](city_watch)
23:16:09.177 [data.invalid] [error] Target building level not allowed: Beiyang Army, citadel -> city, castle_barracks[4](armoury) -> barracks[3](militia_drill_square)
23:16:09.178 [data.invalid] [error] Target building level not allowed: Shi Dakai, large_town -> castle, cannon[0](gunsmith) -> castle_cannon[0](c_gunsmith)
23:16:09.178 [data.invalid] [error] Target building level not allowed: Nian Rebels, large_town -> castle, cannon[0](gunsmith) -> castle_cannon[0](c_gunsmith)
23:16:09.178 [data.invalid] [error] Target building level not allowed: Qing Imperial Court, large_town -> castle, cannon[0](gunsmith) -> castle_cannon[0](c_gunsmith)
23:16:09.178 [data.invalid] [error] Target building level not allowed: Russia, large_town -> castle, cannon[0](gunsmith) -> castle_cannon[0](c_gunsmith)
23:16:09.178 [data.invalid] [error] Target building level not allowed: Russia, citadel -> city, castle_barracks[4](armoury) -> barracks[3](militia_drill_square)
23:16:09.178 [data.invalid] [error] Target building level not allowed: Xiang Army, large_town -> castle, cannon[0](gunsmith) -> castle_cannon[0](c_gunsmith)
23:16:09.179 [data.invalid] [error] Target building level not allowed: Egypt, large_town -> castle, cannon[0](gunsmith) -> castle_cannon[0](c_gunsmith)
23:16:09.179 [data.invalid] [error] Target building level not allowed: Denmark, large_town -> castle, cannon[0](gunsmith) -> castle_cannon[0](c_gunsmith)
23:16:09.179 [data.invalid] [error] Target building level not allowed: , large_town -> castle, cannon[0](gunsmith) -> castle_cannon[0](c_gunsmith)
23:16:09.179 [data.invalid] [error] Target building level not allowed: , large_town -> castle, cannon[0](gunsmith) -> castle_cannon[0](c_gunsmith)
23:16:09.179 [data.invalid] [error] Target building level not allowed: , large_town -> castle, cannon[0](gunsmith) -> castle_cannon[0](c_gunsmith)
23:16:09.179 [data.invalid] [error] Target building level not allowed: Taiping Heavenly Kingdom, large_town -> castle, cannon[0](gunsmith) -> castle_cannon[0](c_gunsmith)
23:16:09.180 [data.invalid] [error] Target building level not allowed: Mongolia, large_town -> castle, cannon[0](gunsmith) -> castle_cannon[0](c_gunsmith)
23:16:09.180 [data.invalid] [error] Target building level not allowed: , large_town -> castle, cannon[0](gunsmith) -> castle_cannon[0](c_gunsmith)
23:16:09.180 [data.invalid] [error] Target building level not allowed: , large_town -> castle, cannon[0](gunsmith) -> castle_cannon[0](c_gunsmith)
23:16:09.180 [data.invalid] [error] Target building level not allowed: , fortress -> city, castle_barracks[3](barracks) -> barracks[2](city_watch)
23:16:09.180 [data.invalid] [error] Target building level not allowed: , citadel -> city, castle_barracks[3](barracks) -> barracks[2](city_watch)
23:16:09.180 [data.invalid] [error] Target building level not allowed: , citadel -> city, castle_barracks[4](armoury) -> barracks[3](militia_drill_square)
23:16:09.180 [data.invalid] [error] Target building level not allowed: , large_town -> castle, cannon[0](gunsmith) -> castle_cannon[0](c_gunsmith)
23:16:09.180 [data.invalid] [error] Target building level not allowed: , fortress -> city, castle_barracks[3](barracks) -> barracks[2](city_watch)
23:16:09.180 [data.invalid] [error] Target building level not allowed: , citadel -> city, castle_barracks[3](barracks) -> barracks[2](city_watch)
23:16:09.180 [data.invalid] [error] Target building level not allowed: , citadel -> city, castle_barracks[4](armoury) -> barracks[3](militia_drill_square)
23:16:09.180 [data.invalid] [error] Target building level not allowed: Bandits, large_town -> castle, cannon[0](gunsmith) -> castle_cannon[0](c_gunsmith)
A humongous amount of missing trait descriptions, too large to post here