I am Devolaping Project in Asp.Net MVC but I need to Carete User in Existed DNN users table , for this i addedd all related dll file in my project,

my code is

DotNetNuke.Entities.Users.UserInfo objUser = new DotNetNuke.Entities.Users.UserInfo();

//objUser.AffiliateID = Null.NullInteger;

objUser.Email = "hfsdh@gmail.com";

objUser.FirstName = "Test";

objUser.IsSuperUser = false;

//I bet you will not create SuperUsers in bulk ;)

objUser.LastName = "Test1";

// objUser.PortalID = 0;

objUser.Username = "Test";

objUser.DisplayName = "Test" + " " + "Test1";

//Usually here FirstName+LastName

objUser.Membership.Password = "121";

objUser.Membership.Approved = true;

objUser.Membership.Email = "hfsdh@gmail.com";

objUser.Membership.Username = "Test";

objUser.Membership.PasswordQuestion = "121";

//objUser.Profile.Telephone =Convert.ToString(phone);

objUser.Profile.FirstName = fname;

objUser.Profile.LastName = lname;

objUser.Membership.UpdatePassword = false;

string vSrav = "";

DotNetNuke.Security.Membership.UserCreateStatus objCreateStatus =

DotNetNuke.Entities.Users.UserController.CreateUser(ref objUser);

but it is not working but Getting like this

at DotNetNuke.Entities.Users.UserController.CreateUser(UserInfo& user) in C:\TeamCity\buildAgent\work\DNN_Platform_911_Public\Compile\DNN.Platform\DNN Platform\Library\Entities\Users\UserController.cs:line 913

at PPRO.WebApp.Areas.ProcurementPro.Controllers.ProUserManagementController.InsertUserData(String fname, String lname, String email, String phone, String uname, String pwd, String terms, String privacy) in E:\PPRO\PPRO\PPRO.WebApp\Areas\ProcurementPro\Controllers\ProUserManagementController.cs:line 176