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General Discussion Unable to insert new building

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    • #1691

      Dear Administrator,

      I got an error when I tried to open a new building in the iTwo costX 6.9 saying ‘Unable to attach E3D Instance.’ What is wrong with it and what I can do with it? Please help.

    • #1700
      RIB CostX

      Hi there,

      Thanks for posting on the student forum.

      Could you try changing the graphics driver setting? You can do this by going File -> Options -> Drawings and then changing the Graphics Driver setting from OpenGL to Direct3D.

      Please let me know if this works. For further queries, please contact

      Thank you.

      iTWO costX Forum Admin

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