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Question by _Eyesgood_ · Apr 30, 2020 at 02:40 PM · visual studiocompiler error

Visual Studio 2019 Wont Compile After Unity 2019.3.12f1 update

I just updated my project to 2019.3.12f1 and I use VS 2019 Community. I am having issues with VS locating third-party DLLs imported from the store. Unity runs fine, but VS will not compile after this update.

Severity Code Description Project File Line Suppression State Error CS0246 The type or namespace name 'MMInformationAttribute' could not be found (are you missing a using directive or an assembly reference?

I am getting the same error with every project DLL.

I am running the latest version of VS2019 Community (as of today). I have Unity Package Visual Studio Code Editor 1.2.0 loaded. All packages are up to date.

Any idea what happened?

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avatar image Jinja · Apr 30, 2020 at 05:18 PM 0
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I am having the same issue but with VS 2017 Community. I updated to 2019.3.12f1 and VS will no longer compile the project due to missing assemblies. Unity compiles fine. 2019.3.11f1 did not have this issue. I notice Visual Studio Code Editor package went from 1.1.4 to 1.2.0. Reverting to 1.1.4 did not fix the issue.

avatar image Jinja Jinja · Apr 30, 2020 at 05:51 PM 0
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Reverting to 2019.3.11f1 dodges the problem. That's what I'm doing for the moment.

avatar image volkerror · May 02, 2020 at 08:12 AM 0
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Same problem here...

avatar image fackingbee · May 02, 2020 at 03:46 PM 0
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I have encountered a similar problem and am troubled. Please take immediate action.

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Answer by Jinja · May 08, 2020 at 06:23 PM

2019.3.13f1 does not have this issue for me, so you can now skip 2019.3.12f1, or stay on 2019.3.11f1. Yay!

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avatar image chadfranklin47 · May 08, 2020 at 09:31 PM 0
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same :) thx for the update.

avatar image _Eyesgood_ · May 09, 2020 at 01:15 PM 0
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I can confirm 2019.3.13f1 resolved the issue.

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Answer by volkerror · May 02, 2020 at 03:46 PM

Same problem here...

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Answer by chadfranklin47 · May 02, 2020 at 08:50 PM

Same here. I tried this: https://answers.unity.com/questions/1697513/vs-code-does-not-find-some-classes-cs0246cs0103.html and it didn't help. The only thing that's worked was downgrading to 2019.3.11. I didn't have this issue with an earlier version of 2019.3 so I believe downgrading to that should work too, but I forget exactly which version I had, probably 2019.3.0.

Please update if you find a solution.

For now though, downgrading to 2019.3.11 seems to be the best option.

https://answers.unity.com/questions/1725203/visual-studio-cant-reference-to-firstpass-assembly.html

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Answer by IgnitedGames · May 09, 2020 at 03:08 AM

This seems to be a common problem, probably a problem with 3.12f1, I'd skip it if I were you and use the next version.

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avatar image IgnitedGames · May 09, 2020 at 01:16 PM 0
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Actually, I've figured out that I was using 3.12f1 too. What you want to do is open a project/solution in visual studio and then open the .snl file in your unity project.

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