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Cities: Skylines >  Workshop > boformer's Workshop > Harmony 2.2.2-0 (Mod Dependency) > Discussions
Harmony 2.2.2-0 (Mod Dependency)
Description Discussions22 Comments1969 Change Notes
 This topic has been pinned, so it's probably important
boformer  [developer] Jan 31, 2021 @ 6:06pm
Problems with Harmony? Here are some solutions!
Network Extensions 2"

In the past issues occurred with Network Extensions 2. These issues have been fixed.

Users who used my custom version of NExt 2 can return to the workshop version.

Conflicting Harmony 2 provider mod
You can only use one Harmony provider mod at the same time.
Make sure you are not subscribed to "Harmony (redesigned)", an alternative provider mod that is known to cause issues.

Experimental Channel
You can unsubscribe the Harmony mod and subscribe to the experimental channel instead. The experimental version might contain additional fixes that are not yet available on the stable channel:
https://steamcommunity.com/sharedfiles/filedetails/?id=2399204842

Local mods
if you have any mods installed in your local AppData directory, please make sure that they are up to date! I recommend to use the workshop versions whenever possible!

Further support
If there are still errors once you've tried everything above, please upload your output_log.txt and post it here.

Windows: <SteamFolder>\SteamApps\common\Cities_Skylines\Cities_Data\output_log.txt

Mac: Users/<username>/Library/Logs/Unity/Player.log

Linux: ~/.config/unity3d/Colossal Order/Cities: Skylines/Player.log

Tip: To open the game install folder, right click your game in the Steam library, select Properties, go to the Local Files tab and select Browse local files.

"Technical Advice" from other people
Solutions given to you by other people are probably outdated, wrong or incomplete. If they work for you, that's great, but usually they only work randomly.

You can ask in this thread if those other solutions are feasible or not. I advice you to try the solutions above first.
Last edited by boformer; May 5, 2021 @ 2:05am
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Showing 1-15 of 231 comments
sub780lime Oct 21, 2020 @ 11:22am 
Harmonylib.Harmony Error
Getting the following error when starting any map with mods active. Not enough info to know exactly what's causing the error. Any help would be appreciated.

https://i.imgur.com/y101zgD.png
#1
kidshade Oct 21, 2020 @ 3:37pm 
yeah what's that all about?
#2
Exudiz Oct 22, 2020 @ 11:47am 
Same here
#3
Phi φ Oct 23, 2020 @ 2:54am 
Same here
#4
Sam.N.Raub Oct 24, 2020 @ 11:51pm 
Yep one UP
#5
Igor_V Oct 25, 2020 @ 3:23am 
+1
#6
rvben Oct 25, 2020 @ 1:35pm 
Originally posted by sub780lime:
Getting the following error when starting any map with mods active. Not enough info to know exactly what's causing the error. Any help would be appreciated.

https://i.imgur.com/y101zgD.png
same here i just messed up my city trying to find the cause
#7
Igor_V Oct 26, 2020 @ 1:41pm 
Found this solution of 'HarmonyLib.Harmony' problem.
Thanks to LemonsterOG, that is his advice, which helped me.
__________________________________________

★ In the order listed.
-----------------------------

✔Game Closed and Steam Client Open

✔Group 1 - In Any Order
→ Unsubscribe from Node Controller
→ Unsubscribe from Harmony

✔Close Steam Client
✔Start Steam Client

✔Group 2 - IN ORDER @
1) Subscribe to Harmony
2) Subscribe to Node Controller.
#8
Honky Tonk Man Nov 15, 2020 @ 8:00am 
I'm getting thiis error:
A Mod caused an error [System.Exception]

Details:
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> HarmonyLib.HarmonyException: Patching exception in method static System.Reflection.MethodBase TVPropPatch.LoadingExtensionPatch::TargetMethod() ---> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.IO.FileNotFoundException: Could not load file or assembly 'CS-TreeProps, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies.
File name: 'CS-TreeProps, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'
at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (object,object[],System.Exception
#9
FgM Jan 5, 2021 @ 5:05am 
Same one here:

A Mod caused an error [System.Exception]

Details:
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.TypeLoadException: Could not load type 'HarmonyLib.Harmony' from assembly 'HideUnconnectedTracks'.
at CitiesHarmony.API.HarmonyHelper.DoOnHarmonyReady (System.Action action) [0x00000] in <filename unknown>:0
at HideUnconnectedTracks.KianModInfo.OnEnabled () [0x00000] in <filename unknown>:0
at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (object,object[],System.Exception
#10
Igor_V Jan 5, 2021 @ 10:49am 
Originally posted by FgM:
Same one here:

Try this...
__________________________________________

★ In the order listed.
-----------------------------

✔Game Closed and Steam Client Open

✔Group 1 - In Any Order
→ Unsubscribe from Node Controller
→ Unsubscribe from Harmony

✔Close Steam Client
✔Start Steam Client

✔Group 2 - IN ORDER @
1) Subscribe to Harmony
2) Subscribe to Node Controller.
#11
M.S.Referee Jan 30, 2021 @ 12:57pm 
Yep "Harmony 2.0.4" is a Broken Update!(Backup 2.0.1 Here)
When run game to the main menu will show you, and lots of mod in fact don't patched by Harmony 2.0.4.

"A Mod caused an error [ModException]

Details:
System.NullReferenceException: Object reference not set to an instance of an object
at OptionsMainPanel.AddUserMods () [0x00000] in <filename unknown>:0"

-------------------------------------------------------------------------------------------
The loading time with same number of mods got huge difference. (182 mods)

With Harmony 2.0.1.0 version, reading to jump to game need 39 second to see the logo and to main menu total 59 second.

With Harmony 2.0.4 version, reading to jump to game only need 16 second to see the logo and to main menu total 40 second. And got main menu error above.

The difference show you long time means pacthing all of mods, and short time means a few to pach.
-------------------------------------------------------------------------------------------

So, for palyers you need to rolling back to Harmony 2.0.1.0 before next fixed out.
Here is backup of Harmony 2.0.1.0 you can download. If "zippyshare" link not work for you, try "Sendspace" link.

https://www39.zippyshare.com/v/ohIE36Wy/file.html

https://www.sendspace.com/file/uji3qu

How to put in local ?
1. Unsubscribe 2.0.4 from workshop.
2. Unzipp "Harmony2" folder to C:\Users\ <your name> \AppData\Local\Colossal Order\Cities_Skylines\Addons\Mods
Last edited by M.S.Referee; Jan 31, 2021 @ 10:33am
#12
Profmusic Jan 30, 2021 @ 5:29pm 
link doesnt work
#13
Lost Nomad Jan 30, 2021 @ 11:07pm 
link doesn't work fo me, I get "403 forbidden" error.
#14
boformer  [developer] Jan 31, 2021 @ 6:57am 
as a temporary fix, I advice you to install the Harmony mod locally in your AppData mods folder.

Here are the instructions: https://github.com/boformer/CitiesHarmony/releases
#15
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