Cities: Skylines

Cities: Skylines

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Simulation failed: object not set top an instance of an object
Hey guys, i have the problem that i cant load one of my saves anymore, since about march, after an update. I can still load new saves that i made, but sadly not this one.

I've got a lot of mods and assets and i tried to get rid of the ones that i know have some compatibility issues, but i cant seem to get it to work.

I uploaded the log file here: https://www.dropbox.com/s/tw0lbwfhft6w6nx/output_log.txt?dl=0

I hope someone might be able to help!
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Showing 1-6 of 6 comments
Avanya Aug 3, 2020 @ 3:52am 
You have some old broken mods, that need sorting. Unsubscribe from these:

- Extended Building Information (1.10+) - get Extended Building Info (by live627) instead
- Move It! Extra Filters - no longer needed
- Fine Road Anarchy - broken, get Fine Road Anarchy 2 instead
- Aedificium - broken
- Theme Mixer - get Theme Mixer 2 instead
- Transport Line Rendering Fix - no longer needed
- Fine Road Rool - broken, get Fine Road Tool 2 instead
- Advanced Toolbar - I recommend More Advanced Toolbar instead
- Network Skins - get Network Skins 2 instead
- More Beautification - use Find It to place props instead
- European Buildings Unlocker - broken, use the built in European Style instead
- Advanced Vehicle Options - use Advanced Vehicle Options (Sunset Harbor) instead
- Building Eyedropper Tool - use Picker 1.3 instead
- One-Way Street Arrows - works, but the game has arrows by default now, which you might consider using instead
- Control Building Level Up v0.4 - use Control Building Level Up v0.5 (Industries) instead
- Demand Master - I believe Super Demand still works
- Prop It Up - still works, but consider using Prop Switcher instead
- Prop Fine Tune - broken, use Move It for fine tuning after placing instead
- Building Panel Already Exists Icons Fix - broken and no longer needed
- Ploppable RICO - get Ploppable RICO Revisited instead
- Realistic Population and Consumption Mod v8.4.0 - get Realistic Population Revisited 1.4.3 instead
- Vanilla Trees Remover - not broken, but likely incompatible with a bunch of the mods you have. I don't recommend using this. Better to use the newer mod options to switch out trees.
- IsIntercity Fix - no longer needed, the bug has been fixed.
- Loading Screen Mod or Loading Screen Mod [Test] - NEVER have 2 of the same mods. Pick one and remove the other.
- Traffic Report Mod: Updated - this was added to the game
- Either City Drive or First Person Camera: Updated - you don't want 2 mods overlapping like this

Plop the Growables and Disable Zone Check are incompatible. You should pick one and remove the other. If you're unsure of the differences, check the mod descriptions to find which one best suits your needs.

You also have New Roads For Network Extension 2, which is broken. If your city uses roads from this, you will need another version of it, but I really recommend removing them, as this mod is not really supported and updated, so there's no telling if it will one day break and never be fixed. This one will work for now, but consider replacing the roads and removing the mod, so you don't lose your city if it breaks.

If fixing those mods doesn't help, upload your log again and I'll see what problems might be left to deal with. :)
Hello Avanya

Thank you very much for your help! I updated / unfollowed these mods and tried again. I can now start my city again, but sadly i still get this error, but now as a window ingame, and i cant close it, it just pops up again.
Here is the screenshot of the error i got now:https://www.dropbox.com/s/m4vn68vsckyq8x7/Error.png?dl=0

And i also uploaded the log again: https://www.dropbox.com/s/4xhb38iynodpoah/output_log2.txt?dl=0

Thank you for your help!
Avanya Aug 5, 2020 @ 3:09am 
There's a few mods which can help recover a save from a simulation error. You can add them all at the same time and they will work fine together. Just make sure you enable them all.

https://steamcommunity.com/sharedfiles/filedetails/?id=529129546
https://steamcommunity.com/sharedfiles/filedetails/?id=1620588636&searchtext=safenets

And lastly there's the Loading Screen Mod, which has a Safe Mode. To enable that, go into Options, find the Loading Screen Mod on the left and check all the boxes for Safe Mode.

Then with everything enabled, try loading your city.
snowflitzer Aug 5, 2020 @ 4:50am 
If update my LSM to this:

https://steamcommunity.com/sharedfiles/filedetails/?id=833779378

selected simulation error fix and my city runs again :)
Thanks for all your help. With your solutions i could revive my safe and its working perfectly now!
Avanya Aug 10, 2020 @ 1:19am 
Awesome! Happy building ^^
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Date Posted: Aug 1, 2020 @ 8:59am
Posts: 6