Commented Issue: Default values object reference not set [159]

Default values object reference not set error after upgrade to 1.5.265
Comments: I can also not save the defaults. Error: System.ArgumentOutOfRangeException: 'ddlMilestone' has a SelectedValue which is invalid because it does not exist in the list of items. Parameter name: value Stack trace: System.Web.UI.WebControls.ListControl.set_SelectedValue(String value) +12587973 BugNET.Administration.Projects.UserControls.ProjectDefaultValues.ReadDefaultValuesForProject() +384 BugNET.Administration.Projects.UserControls.ProjectDefaultValues.Initialize() +144 BugNET.Administration.Projects.EditProject.LoadTab(Int32 selectedTab) +1192 BugNET.Administration.Projects.EditProject.Page_Load(Object sender, EventArgs e) +1862 BugNET.UserInterfaceLayer.BasePage.OnLoad(EventArgs e) +92 System.Web.UI.Control.LoadRecursive() +71 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3178