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  • Matti 15 posts 35 karma points
    Mar 25, 2010 @ 01:57
    Matti
    0

    Server error when deleting doctype property

    I get an "Object reference not set to an instance of an object. " when trying to delete properties from documenttypes. Is anyone familiar with this error? It used to work fine...

    Umb 4.0.3 / IIS 7.5

    [NullReferenceException: Object reference not set to an instance of an object.]
   umbraco.cms.businesslogic.propertytype.PropertyType.delete() +76
   umbraco.controls.ContentTypeControlNew.gpw_Delete(Object sender, EventArgs e) +51
   umbraco.controls.GenericProperties.GenericPropertyWrapper.GenericPropertyWrapper_Delete(Object sender, EventArgs e) +28
   System.EventHandler.Invoke(Object sender, EventArgs e) +0
   umbraco.controls.GenericProperties.GenericProperty.DeleteButton2_Click(Object sender, ImageClickEventArgs e) +28
   System.Web.UI.WebControls.ImageButton.OnClick(ImageClickEventArgs e) +108
   System.Web.UI.WebControls.ImageButton.RaisePostBackEvent(String eventArgument) +118
   System.Web.UI.WebControls.ImageButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10
   System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13
   System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +36
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1565
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  • Chris Gaskell 59 posts 142 karma points
    Mar 25, 2010 @ 09:27
    Chris Gaskell
    0

    Hey,

    I have experienced similar when my doctypes have been nested - deleting properties from a parent has sometimes caused the above.

    Where do you see this error on the doctype admin or the content admin screens?

    Thanks,

    Chris.

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  • Matti 15 posts 35 karma points
    Mar 25, 2010 @ 10:13
    Matti
    0

    This is from /Settings/Document Types and the doctype is nested :/

    How did you get around it?

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  • Nicolás Lope de Barrios 21 posts 42 karma points
    Mar 29, 2010 @ 16:58
    Nicolás Lope de Barrios
    0

    It's a known error, check http://our.umbraco.org/forum/core/general/6003-Object-reference-not-set-to-an-instance-of-an-object-in-Admin-Backend?sort=newest 

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