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Question by frogtamer · Apr 03, 2015 at 03:23 PM · error messagemodules

"Failed to load package manager" error

I'm using Unity 5 and getting these error messages every time I open Unity or enter play mode:

Failed to load package manager

Failed to load package manager UnityEditor.Modules.ModuleManager:InitializePlatformSupportModules()

Failed to load package manager UnityEditor.Modules.ModuleUtils:GetAdditionalReferencesForUserScripts()

Not sure if it's related, but I was writing editor scripts before these errors started happening. The errors happen whenever I open Unity now, even if I start a new project.

Edit: Reinstalling fixed this, but I'm wondering if anyone else has gotten the errors & has a solution that doesn't involve a reinstall

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avatar image jimboyte · Apr 14, 2015 at 01:19 AM 0
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I just got this error also. Not sure where it came from.

avatar image Galahad1957 · Jan 03, 2016 at 09:16 AM 0
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I have the same problem. but it seems no one has any idea how to fix it. if you know how to fix it, please show the steps of what you have done. Ive reinstalled Unity but still have the same problem.

avatar image Bobodeman · Apr 06, 2017 at 02:26 PM 0
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Ive got the same 999+ on one of my projects and I cant work out how to fix, tried closing down and reopening but that doesnt work. havent tried reinstalling but will give that a try after everything else. so what ways have people found to fix them?

thanks in advance

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Answer by Figster · Aug 14, 2015 at 10:58 PM

I am using the Free Personal edition and I am getting same errors. On all my Projects. Tried update License in the unity license manager.. still same problem.

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avatar image bk0606 · Dec 01, 2015 at 03:20 PM 0
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Hi! I'm face the same problem.. Do you find any solution for this?

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Answer by graslany · Oct 14, 2017 at 06:33 AM

I have this error on Linux with the 2017.3 version. It's not necessarily related to a license issue (anymore). In my case, it's more likely a file permission issue. I installed Unity in /opt as root, then launched is a a normal user. Unity starts, but the console is spammed with lots of "package dependency failed to load" nonsense and my scripts do not compile (the compiler reports missing references to every single unity engine assembly).

I copied the whole unity directory somewhere (cp -r /opt/Unity-xxx /home/myuser/somedirectory) as root then gave it to my normal user (chown -R myuser:myuser /home/myuser/somedirectory/Unity-xxx). Launching Unity from the copied, user-owned folder works as expected.

This is obviously not a ideal solution since it forces you to copy the gigantic Unity folder once per user ; I played around a bit with the file permissions and another solution is to keep the original root-owned folder and make everything in it executable. The real, good solution would probably to make contact with the package maintainers at Unity and ask them to check which file exactly needs to have its permissions fixed, but I'm too lazy to do it right now :-)

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Answer by Panpy · Apr 15, 2015 at 06:32 AM

Encounter similar problem, solved by closing and reopening the application. It seems to happen after I update my Unity 5.

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Answer by Kazaroto · Jun 05, 2015 at 08:22 AM

I´ve got this error after upgrading unity, from 5.0.1f to 5.0.2f. Seems like this new version doesn´t support library UnityEngine.UI features. Anyone knows something about it ?

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Answer by Binex-UmairBhatti · Jun 16, 2015 at 10:46 AM

Hi,

It seems like you are having issue with your unity license. You are using wrong license for wrong version of unity or you are using wrong crack for wrong unity version. For example you have installed unity 5.1.0f3 but you using the license/crack of unity 5.1.0p1. Which cause "Failed to load Package Manager". Hope that will be helpful for you.

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avatar image frogtamer · Jun 16, 2015 at 02:15 PM 0
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I am using the personal edition

avatar image Kazaroto · Dec 01, 2015 at 03:41 PM 0
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Hi Binex!

Yes, was helpful endeed. I managed to reinstall unity and everything turned back to normal.

Thanks, and sorry for late reply.

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