public ActionResult Post(CpjsProcessFormViewModel viewModel)
    {
        if (ModelState.IsValid)
        {
            try
            {
                if (!string.IsNullOrEmpty(viewModel.UserName) && !string.IsNullOrEmpty(viewModel.Password))
                {
                    _sysproCredentials.UserName = viewModel.UserName;
                    _sysproCredentials.Password = viewModel.Password;
                }

                var serviceController = new ServiceController(_unitOfWork,
                    new ControlPlanJobProcessor(_sysproService, _sysproCredentials));
                serviceController.ProcessControlPlan(viewModel.ControlPlanId, viewModel.CloseJob, true,
                    User.Identity.GetUserId()); // <---- ERROR THROWN HERE
            }
            catch (Exception e)
            {
                ModelState.AddModelError("", e.Message);
                return View(viewModel);
            }

            return RedirectToAction("Index");
        }

        return View(viewModel);
    }