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  • Sekou Terry 20 posts 92 karma points
    Oct 12, 2017 @ 23:31
    Sekou Terry

    Upgrade to uSync 4.0 from 2.4.9 causing an error


    I'm trying to update my version of uSync from 2.4.9 to the lastest 4.0 version. After an update via NuGet my BackOffice tab looks like this: enter image description here

    And my Dashboard looks like this: enter image description here

    Any idea on what might be causing these errors? If you need any more information let me know.

    Thanks, Sekou

  • Kevin Jump 1769 posts 11367 karma points MVP 4x c-trib
    Oct 13, 2017 @ 05:02
    Kevin Jump


    First thing to note is that uSync 4 only works on Umbraco 7.6 and above. if you are running another version of Umbraco 7 you should run uSync 3.x instead.

    Having said that the first error looks like the type of error you get when the site hasn't been rebuild after the nuget package is installed, so just check (in visual studio?) that the site has been rebuilt.

    It also looks like the upgrade from 2.4.9 hasn't removed the old dashboard, so it's worth checking that other things have been removed too.

    between uSync 2.4 and usync 3/4 the dll names changed. so you should remove the following from the bin folder if they are still there..

    • jumps.umbraco.usync.dll
    • jumoo.usync.ui.dll.

    the other jumoo.uSync dlls are the latest version and you should leave them where they are.

    to clean up the dashboards - you can remove the section

    <section alias="usyncUI">
      <tab caption="uSync Dashboard">

    as this is the old dashboard.

    if you still get the error after all of this, can you open up developer tools in chrome, reload the page, and see what errors (if any) you are getting there - that might give us a clue if there is something else wrong.

  • Sekou Terry 20 posts 92 karma points
    Oct 14, 2017 @ 00:53
    Sekou Terry

    Thanks! Removing those dlls cleared everything up and I got rid of the dashboard as well.

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