https://community.graphisoft.com/t5/Parametric-design/Missing-archicad-menu-i-Grasshopper/m-p/252132#M487 The Grasshopper SDK version number matches the general Rhino version number.<BR /> In this case the one who compiled the binary for the AC plugin had a newer Rhino.<BR /> <BR /> All you have to do is to update your Rhino and you're good to go. There is no kind of "backporting" or therelike. Wed, 17 Mar 2021 15:00:30 GMT runxel 2021-03-17T15:00:30Z https://community.graphisoft.com/t5/Parametric-design/Missing-archicad-menu-i-Grasshopper/m-p/252131#M486 <DIV class="actalk-migrated-content"><T>Hello, <BR /> I downladed an installed a grasshoppper plugin for archicad 24 yesterday. But I get a error message when opening grasshopper. Does anyone know the reason?</T></DIV> Thu, 11 May 2023 09:03:01 GMT https://community.graphisoft.com/t5/Parametric-design/Missing-archicad-menu-i-Grasshopper/m-p/252131#M486 Anonymous 2023-05-11T09:03:01Z https://community.graphisoft.com/t5/Parametric-design/Missing-archicad-menu-i-Grasshopper/m-p/252132#M487 The Grasshopper SDK version number matches the general Rhino version number.<BR /> In this case the one who compiled the binary for the AC plugin had a newer Rhino.<BR /> <BR /> All you have to do is to update your Rhino and you're good to go. There is no kind of "backporting" or therelike. Wed, 17 Mar 2021 15:00:30 GMT https://community.graphisoft.com/t5/Parametric-design/Missing-archicad-menu-i-Grasshopper/m-p/252132#M487 runxel 2021-03-17T15:00:30Z