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  • Phillip Ng 3 posts 73 karma points
    Apr 06, 2016 @ 00:28
    Phillip Ng

    Can't run or start migration

    Hello! I am in the process of upgrading my Umbraco site from 4.7 to 7.3 and am working on this Contour update. I've installed the Migration Tool locally, and when trying to run the tool, I get the following error:

    Oops something whent wrong
    Could not load type 'Umbraco.Forms.Core.FieldsetContainer' from assembly 'Umbraco.Forms.Core, Version=, Culture=neutral, PublicKeyToken=null'.
    at Umbraco.Forms.Migration.MigrationService.Migrate(String connString) at Umbraco.Forms.Migration.ContourToForms.Button1_Click(Object sender, EventArgs e) in c:\Users\timgeyssens\Documents\Visual Studio 2013\Projects\Umbraco.Forms.Migration\Umbraco.Forms.Migration\ContourToForms.ascx.cs:line 23

    Any ideas? Thanks in advance!

  • Zac 238 posts 539 karma points
    Aug 10, 2016 @ 16:34

    This is pretty old so it's probably not any help to Phillip at this point, but for other people here's the issue. You need to uninstall Contour and installs Forms before running this tool. The issue is that it needs the new Umbraco.Forms.Core dll, not the old Contour dll.

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