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Fixed in 2019.3.X



Found in


Issue ID




ReferenceOutputAssembly key is set to false in project references



1. Set External Tools to Visual Studio 2017 in Unity Editor
2. Open attached project
3. Double-click on any script in Assets -> Examples -> Scripts folder
4. In the Visual Studio 2017 solution Expand NavMeshComponents project
5. Double-click on NavMeshAssetManager.cs
6. => Studio highlights the types it cannot find in red

Reproducible with: 2019.3.12f1
Not reproducible with: 2018.4.22f1, 2019.3.11f1, 2020.1.0a1, 2020.1.0b8, 2020.2.0a9

  1. Resolution Note (fix version 2019.3):

    Fixed in 2019.3.13f1

Comments (60)

  1. smithjohns402

    Jun 09, 2024 09:05

    If Visual Studio isn't recognizing certain types in your Unity project, it's likely due to a compatibility issue or misconfiguration. First, ensure both Unity and Visual Studio 2017 are compatible and properly set up. Try reimporting assets in Unity and rebuilding the solution in Visual Studio. Check scripting define symbols and references, and update extensions if applicable. If problems persist, seek help from Unity or Visual Studio communities. Restarting both programs may also help. With these steps, you should be able to troubleshoot and resolve the issue efficiently.

  2. freudleugh

    May 01, 2024 05:47

    feel confortable for this references:

  3. NolanYu

    Jan 30, 2024 09:38

    Your post has become my go-to reference whenever I encounter this issue. Thanks!

  4. NolanYu

    Jan 30, 2024 09:38

    The community engagement in the comments section adds even more value to your post.

  5. NolanYu

    Jan 30, 2024 09:37

    I never thought I could find such valuable insights in a single post. Thank you!

  6. OliviaHiggins

    Jan 30, 2024 09:36

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  7. OliviaHiggins

    Jan 30, 2024 09:35

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  8. OliviaHiggins

    Jan 30, 2024 09:35

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  9. AriaMcDonald

    Jan 30, 2024 09:34

    Your post gave me the confidence to tackle something I was hesitant about. Thank you!

  10. AriaMcDonald

    Jan 30, 2024 09:33

    The practical tips you provided are golden. I'm already seeing improvements.

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