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It is not possible to use the Machine learning wizard #3087

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Description

@AlexanderZhelnin

System Information (please complete the following information):

  • Model Builder Version (available in Manage Extensions dialog): v17.18.0
  • Visual Studio Version: 18.7.3

Describe the bug

  • On which step of the process did you run into an issue: Train (model)
  • Clear description of the problem: in the machine learning wizard of the model, at the training stage, in the machine learning wizard of the model, at the training stage: Could not load file or assembly 'Microsoft.CodeAnalysis.CSharp, Version=4.9.0.0. If you look at the Microsoft version.CodeAnalysis.CSharp, then it is 5.6.0, there is 4.9.2 in the list of possible ones, but there is no 4.9.0

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  1. ibrahim0132 commented on Jul 5, 2026

    @ibrahim0132

    I have the same issue

  2. atorli commented on Jul 6, 2026

    @atorli

    VS2026 seems to have some issues; i use VS2022 for training.

  3. ASADeveloper commented on Jul 9, 2026

    @ASADeveloper

    I have exactly the same problem. With or without nuget packages.

  4. Megerlin-Vidit commented on Aug 21, 2026

    @Megerlin-Vidit

    I do have the same problem after fresh install

  5. QQ648380421 commented on Sep 22, 2026

    @QQ648380421

    我也遇到过这个问题

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