It's a mod then. If you can post your output_log.txt (called player.log on Mac and Linux), then I'd be happy to take a look at your mods. :)
Here's where to find the log depending on your operating system. To easily find the local files for the game, right click your game in the Steam library, select Properties, go to the Local Files tab and select Browse local files.
As we can't attach files here on Steam, you will need to upload the file somewhere else. Here's a few sites you can upload it to, which do not require you to sign up first:
https://uploadfiles.io/ - free, no sign-... Read more
Here's where to find the log depending on your operating system. To easily find the local files for the game, right click your game in the Steam library, select Properties, go to the Local Files tab and select Browse local files.
Windows
\SteamApps\common\Cities_Skylines\Cities_Data\output_log.txt
Mac OS X
Users//Library/Logs/Unity/Player.log
Linux
~/.config/unity3d/Colossal Order/Cities: Skylines/Player.log
As we can't attach files here on Steam, you will need to upload the file somewhere else. Here's a few sites you can upload it to, which do not require you to sign up first:
https://uploadfiles.io/ - free, no sign-... Read more