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Forums / Developing with Sitefinity / Exception in SF 5

Exception in SF 5

1 posts, 0 answered
  1. Surya CD
    Surya CD avatar
    57 posts
    Registered:
    06 Apr 2010
    15 Jun 2012
    Link to this post
    Hi,
    I am migrating a website from SF 3.7 to 5. The site is deployed in azure.
    Everything was working fine. But now the site is showing error when I try to edit the page in admin site.
    Value cannot be null.
    Parameter name: key.
    When I check the template for the master page, it shows this error message in the widget area of menu controls.

    What is causing this error. Please help. 
    Is it related to radcontrol because both these are radcontrols. Or is it related to the BuildAction property. If so, what should be set to this property.
    Please see the attachment.

    Thanks.
1 posts, 0 answered