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  • Chris Lord 58 posts 211 karma points
    Sep 07, 2020 @ 11:54
    Chris Lord
    0

    Cannot run Umbraco sites locally

    I have a number of Umbraco 7 sites (7.13.2, 7.10.4 and 7.10.2) and all of these are now erroring when i try and run locally. The error is;

    Could not load all types from "umbraco, Version=1.0.6974.19963, Culture=neutral, PublicKeyToken=null" due to LoaderExceptions, skipping: . System.TypeLoadException on System.Web.UI.Design.ControlDesigner: Could not load type 'System.Web.UI.Design.ControlDesigner' from assembly 'System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'.

    I've not performed any upgrade on any of these sites and they all work fine on the published versions of the sites, no must be a local dev machine issue, or a windows update or something. Same error on every site! Any ideas, I am pulling my hair out ! I don't see any reference to System.Web.UI.Design.ControlDesigner in any of the projects?

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