I don't seem to be able to assign roles to users any more. I recently upgraded to 4.09.05 (but was initially able to still assign roles at that time), and my User Account module is 1.00.00. Is there some way to pin down and fix exactly what's wrong?
Here is the error I am getting:
ModuleId: -1
ModuleDefId: -1
FriendlyName: User Roles
ModuleControlSource: Admin/Security/SecurityRoles.ascx
AssemblyVersion: 04.09.05
PortalID: 0
PortalName: XXX
UserID: 34
UserName: YYY
ActiveTabID: 42
ActiveTabName: User Accounts
RawURL: /Admin/UserAccounts/tabid/42/ctl/User Roles/UserId/145/filter/G/currentpage/1/Default.aspx
AbsoluteURL: /Default.aspx
AbsoluteURLReferrer: http://ZZZ/Admin/UserAccounts/tabid/42/ctl/User%20Roles/UserId/145/filter/G/currentpage/1/Default.aspx
UserAgent: Mozilla/5.0 (X11; U; SunOS i86pc; en-US; rv:1.9.2.9) Gecko/20100825 Firefox/3.6.9
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
ExceptionGUID: 33fa8f5c-93bb-45fb-bcf4-4ed44a870849
InnerException: String reference not set to an instance of a String. Parameter name: name
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: System.Globalization.CultureInfo..ctor
StackTrace:
Message: DotNetNuke.Services.Exceptions.ModuleLoadException: String reference not set to an instance of a String. Parameter name: name ---> System.ArgumentNullException: String reference not set to an instance of a String. Parameter name: name at System.Globalization.CultureInfo..ctor(String name, Boolean useUserOverride) at DotNetNuke.Security.Roles.RoleController.SendNotification(UserInfo objUser, RoleInfo objRole, PortalSettings PortalSettings, UserRoleActions Action) at DotNetNuke.Security.Roles.RoleController.AddUserRole(UserInfo objUser, RoleInfo objRole, PortalSettings PortalSettings, DateTime effDate, DateTime expDate, Int32 userId, Boolean notifyUser) at DotNetNuke.Modules.Admin.Security.SecurityRoles.cmdAdd_Click(Object sender, EventArgs e) --- End of inner exception stack trace ---
Source:
Server Name: JGL2K3WEB14

Thanks for any assistance!
-Bob

It appears that the error is occuring after the user had been added to the role and in the code involved with sending an email notification of the role change to the user. A quick look at the code indicates that the null reference may be caused by there being no default value for Preferred Local having been set in the user's profile. I would check the profile for the particular user and try adding a role to a different user to see if the issue is limited to this and only this user or to all users. As a work-around for now, I recall that in DNN 4.09.05 you should be able to uncheck the "Send Nofication" box when adding or modifying a user's roles to see if that prevents the problem from occuring.

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Bill, WESNet Designs
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