As an administrator i add A task translation for a document to one user that is translator. User log in on the page and when goes to Assigned Task ans select it to see 'details' it makes this:

Server Error in '/' Application.

---

Column 'Name' does not belong to table .

Is Umbraco 4.04, windows 2003 server, IIS 5-6 (i dont know exactly but isn't 7)

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentException: Column 'Name' does not belong to table .

Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[ArgumentException: Column 'Name' does not belong to table .]
   System.Data.DataRow.GetDataColumn(String columnName) +3443387
   System.Data.DataRow.setItem(String columnName, Object value) +20
   umbraco.presentation.umbraco.translation.details.PageLoad(Object sender, EventArgs e) +1761
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +25
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +42
   System.Web.UI.Control.OnLoad(EventArgs e) +132
   umbraco.BasePages.BasePage.OnLoad(EventArgs e) +21
   System.Web.UI.Control.LoadRecursive() +66
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2428