Windows GM2 Steam - Program will not start

Discussion in 'GameMaker Studio 2 Community Tech Support' started by 1R85, Sep 5, 2019.

  1. 1R85

    1R85 Member

    Jul 2, 2019
    I have GameMaker Sutdio 2 - Steam

    I had not used this program in some weeks, and when I tried to open the program today I get this error:
    Session not found

    What does this mean?

    If I click "Retry" i get a login box for YoYo Account Login.
    I thought I logged in with Steam before to open the program..

    Why is this happening, and how do I solve this?

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