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I cannot open Unity and I am stuck with a message saying "Could not establish a connection with Unity Package Manager”, what can I do?

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1 comment

  • Don Goddard

    This doesn't work on Monterey 12.1 Unity 2021.2.28 on M1 Max (even with setting environment variables). Tons of "Failed to get ipc connection from UnityShaderCompiler"

    WARNING: Shader Unsupported: 'MK/Glow/UI/Unlit/Text Detail' - All subshaders removed
    WARNING: Shader Did you use #pragma only_renderers and omit this platform?
    WARNING: Shader If subshaders removal was intentional, you may have forgotten turning Fallback off?
    Shader 'Effects/Distortion/CullOff': fallback shader 'Effects/Distortion/Free/CullOff' not found
    Shader 'MK/Glow/UI/Lit/Detail': fallback shader 'MK/Glow/UI/Lit/Transparent' not found
    Shader 'Effects/Mobile/Distortion/CullOff': fallback shader 'Effects/Distortion/Free/CullOff' not found
    Shader 'Unlit HDRP SHADOWS SM': fallback shader 'Hidden/Shader Graph/FallbackError' not found
    Shader 'TMPro/Distance Field 3': fallback shader 'TMPro/Mobile/Distance Field' not found
    Shader 'MoreMountains/MMRipple': fallback shader 'Particle/AlphaBlended' not found
    Launching external process: /Applications/Unity/Hub/Editor/2021.2.8f1/Unity.app/Contents/Tools/UnityShaderCompiler
    No explicit failure code handling for error of type 22
    Failed to get ipc connection from UnityShaderCompiler shader compiler! /Applications/Unity/Hub/Editor/2021.2.8f1/Unity.app/Contents/Tools/UnityShaderCompiler
    Launching external process: /Applications/Unity/Hub/Editor/2021.2.8f1/Unity.app/Contents/Tools/UnityShaderCompiler
    No explicit failure code handling for error of type 22
    Failed to get ipc connection from UnityShaderCompiler shader compiler! /Applications/Unity/Hub/Editor/2021.2.8f1/Unity.app/Contents/Tools/UnityShaderCompiler
    Launching external process: /Applications/Unity/Hub/Editor/2021.2.8f1/Unity.app/Contents/Tools/UnityShaderCompiler
    No explicit failure code handling for error of type 22
    Failed to get ipc connection from UnityShaderCompiler shader compiler! /Applications/Unity/Hub/Editor/2021.2.8f1/Unity.app/Contents/Tools/UnityShaderCompiler
    Launching external process: /Applications/Unity/Hub/Editor/2021.2.8f1/Unity.app/Contents/Tools/UnityShaderCompiler
    No explicit failure code handling for error of type 22
    Failed to get ipc connection from UnityShaderCompiler shader compiler! /Applications/Unity/Hub/Editor/2021.2.8f1/Unity.app/Contents/Tools/UnityShaderCompiler
    Launching external process: /Applications/Unity/Hub/Editor/2021.2.8f1/Unity.app/Contents/Tools/UnityShaderCompiler
    No explicit failure code handling for error of type 22
    F

    0

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