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Windows Mixed Reality Toolkit: Type or namespace not found.

Discussion in 'VR' started by Danagon, May 23, 2019.

  1. Danagon

    Danagon

    Joined:
    Dec 20, 2017
    Posts:
    1
    Hi,

    I am just starting to develop for the Microsoft Hololens and wanted to start looking into the Windows Mixed Reality Tookit for Unity. I am using the latest version of Unity (2019.3.x). When I import the package, a lot of errors pop up. Mostly: The type or namespace name 'EventSystems' does not exist in the namespace 'UnityEngine'. But also some other namespaces can't be found in the namespace 'Unity Engine'. Has anyone experienced this before and maybe know the solution to this? Thank you very much.
     
    Danagon, May 23, 2019
    #1

  2. MartinHelvig

    MartinHelvig

    Joined:
    Dec 10, 2018
    Posts:
    1
    I have the same problem, but I think rolling back to a version that is not beta or alpha would help. Will come back to when I've tested it.
     
    MartinHelvig, May 24, 2019
    #2

  3. ashraf44

    ashraf44

    Joined:
    Jun 26, 2019
    Posts:
    1
    did either of you guys found a solution for the problem?
     
    ashraf44, Jul 1, 2019
    #3

  4. JasonCostanza

    JasonCostanza

    Unity Technologies

    Joined:
    May 23, 2017
    Posts:
    404
    JasonCostanza, Jul 2, 2019
    #4

  5. Rowland_Goddy-Worlu

    Rowland_Goddy-Worlu

    Joined:
    Jan 24, 2021
    Posts:
    3
    To solve this problem, readd MRTK to your project using the MRTK feature tool, rebuild the solution and restart the unity project.
    These steps worked for me.
     
    Rowland_Goddy-Worlu, May 26, 2022
    #5