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  • Tom Groves 2 posts 22 karma points
    Jan 03, 2011 @ 16:45
    Tom Groves
    0

    Related Links causing AJAX error after migration

    Hi!  I just migrated an Umbraco site from local IIS to a shared hosting platform, and everything has worked great with one exception.

    Now, in the admin interface, when I go to remove or add a link into a Related Links property on a page it is causing the following error:

    Error: Sys.WebForms.PageRequestManagerServerErrorException: Property accessor 'IsValid' on object 'umbraco.editorControls.uploadField' threw the following exception:'Object reference not set to an instance of an object.'
    /ScriptResource.axd?d=bV5wdWE9_dUgodoWF3RSYJO2Jm3XNBAOZOqzRtrKqUD-IpsvMlQWntORv-0EUyc5Q4ruqjjv3A-Mo145w_eN6MQ4UKJKCBu1zwyah1ZcMpgLanVtkUDf06DMIJD5SuF0ZTdQqY3H7jZZ2j-IlqDBD_PzAPuwt_h1aRMiTt8_s1PtvDod0&t=5c2f384e
    Line: 5

    I have validated all filesystem security permissions, and recreated the database from scratch, but this is still happening.  Can anybody shed any light?

    Thanks

    Tom

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  • Tom Groves 2 posts 22 karma points
    Feb 02, 2011 @ 04:59
    Tom Groves
    0

    I fixed this in the end by downloading the site to a local staging server, upgrading to the latest version of Umbraco, wiping the production server (after backing up of course!) and then re-uploading and resetting all permissions.

    Some links settings are stored in App_Data/umbraco.config and it may have been that this was not writeable, although given the AJAX error I'm not certain of this and I know that this folder had write permissions set as our Lucene index was functioning.

    Tom

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