ASP.NET MVC antiforgery cookie error

Question

Whenever an error is thrown in the try-catch block I want to return to the view and display to the user the error. This works fine when I run it on my local machine. However when I push onto the production server I get the error

The required anti-forgery cookie "__RequestVerificationToken" is not present

Controller:

    [HttpPost]
    [ValidateAntiForgeryToken]
    [Authorize(Roles = @"Admin")]
    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());
            }
            catch (Exception e)
            {
                ModelState.AddModelError("", e.Message);
                return View(viewModel);
            }

            return RedirectToAction("Post", new { id = viewModel.ControlPlanId, message = "Successfully posted to Syspro" });
        }

        return View(viewModel);
    }

View:

@using (Html.BeginForm())
{
    @Html.AntiForgeryToken()
    @Html.HiddenFor(model => model.ControlPlanId)
<div class="form-horizontal">
    @Html.ValidationSummary(false, "", new { @class = "text-danger" })
}